6460542877 has 4 divisors (see below), whose sum is σ = 6460775200. Its totient is φ = 6460310556.

The previous prime is 6460542857. The next prime is 6460542899. The reversal of 6460542877 is 7782450646.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7782450646 = 2 ⋅3891225323.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6460542877 is a prime.

It is a super-2 number, since 2×6460542877² = 83477228531110874258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6460542877.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6460542857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67713 + ... + 132310.

It is an arithmetic number, because the mean of its divisors is an integer number (1615193800).

Almost surely, 2^6460542877 is an apocalyptic number.

It is an amenable number.

6460542877 is a deficient number, since it is larger than the sum of its proper divisors (232323).

6460542877 is a wasteful number, since it uses less digits than its factorization.

6460542877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232322.

The product of its (nonzero) digits is 2257920, while the sum is 49.

The square root of 6460542877 is about 80377.5023063046. The cubic root of 6460542877 is about 1862.4716511878.

The spelling of 6460542877 in words is "six billion, four hundred sixty million, five hundred forty-two thousand, eight hundred seventy-seven".