6425957346727 has 4 divisors (see below), whose sum is σ = 6475010456376. Its totient is φ = 6376904237080.

The previous prime is 6425957346707. The next prime is 6425957346751. The reversal of 6425957346727 is 7276437595246.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6425957346727 is a prime.

It is a super-2 number, since 2×6425957346727² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6425957346707) 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, 24526554628 + ... + 24526554889.

It is an arithmetic number, because the mean of its divisors is an integer number (1618752614094).

Almost surely, 2^{6425957346727} is an apocalyptic number.

6425957346727 is a deficient number, since it is larger than the sum of its proper divisors (49053109649).

6425957346727 is a wasteful number, since it uses less digits than its factorization.

6425957346727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49053109648.

The product of its digits is 533433600, while the sum is 67.

The spelling of 6425957346727 in words is "six trillion, four hundred twenty-five billion, nine hundred fifty-seven million, three hundred forty-six thousand, seven hundred twenty-seven".