6409499733 has 48 divisors (see below), whose sum is σ = 11895562560. Its totient is φ = 3380825952.

The previous prime is 6409499731. The next prime is 6409499743. The reversal of 6409499733 is 3379949046.

6409499733 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6409499733 - 2¹ = 6409499731 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6409499733.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6409499731) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 169135 + ... + 203532.

It is an arithmetic number, because the mean of its divisors is an integer number (247824220).

Almost surely, 2^6409499733 is an apocalyptic number.

6409499733 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

It is an amenable number.

6409499733 is a deficient number, since it is larger than the sum of its proper divisors (5486062827).

6409499733 is a wasteful number, since it uses less digits than its factorization.

6409499733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372703 (or 372690 counting only the distinct ones).

The product of its (nonzero) digits is 4408992, while the sum is 54.

The square root of 6409499733 is about 80059.3513151337. The cubic root of 6409499733 is about 1857.5537012770.

The spelling of 6409499733 in words is "six billion, four hundred nine million, four hundred ninety-nine thousand, seven hundred thirty-three".