6402311541 has 6 divisors (see below), whose sum is σ = 9247783350. Its totient is φ = 4268207688.

The previous prime is 6402311519. The next prime is 6402311557. The reversal of 6402311541 is 1451132046.

It is a happy number.

6402311541 is a `hidden beast` number, since 640 + 2 + 3 + 1 + 15 + 4 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6370434225 + 31877316 = 79815^2 + 5646^2 .

It is not a de Polignac number, because 6402311541 - 2¹¹ = 6402309493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6402311501) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 355683966 + ... + 355683983.

It is an arithmetic number, because the mean of its divisors is an integer number (1541297225).

Almost surely, 2^6402311541 is an apocalyptic number.

It is an amenable number.

6402311541 is a deficient number, since it is larger than the sum of its proper divisors (2845471809).

6402311541 is a wasteful number, since it uses less digits than its factorization.

6402311541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711367955 (or 711367952 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 6402311541 is about 80014.4458269880. The cubic root of 6402311541 is about 1856.8590320166.

Adding to 6402311541 its reverse (1451132046), we get a palindrome (7853443587).

The spelling of 6402311541 in words is "six billion, four hundred two million, three hundred eleven thousand, five hundred forty-one".