6409499734 has 16 divisors (see below), whose sum is σ = 10490867856. Its totient is φ = 2912688000.

The previous prime is 6409499731. The next prime is 6409499743. The reversal of 6409499734 is 4379949046.

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 7 ways as a sum of consecutive naturals, for example, 60634 + ... + 128434.

It is an arithmetic number, because the mean of its divisors is an integer number (655679241).

Almost surely, 2^6409499734 is an apocalyptic number.

6409499734 is a deficient number, since it is larger than the sum of its proper divisors (4081368122).

6409499734 is a wasteful number, since it uses less digits than its factorization.

6409499734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72111.

The product of its (nonzero) digits is 5878656, while the sum is 55.

The square root of 6409499734 is about 80059.3513213791. The cubic root of 6409499734 is about 1857.5537013736.

The spelling of 6409499734 in words is "six billion, four hundred nine million, four hundred ninety-nine thousand, seven hundred thirty-four".