6460270881 has 16 divisors (see below), whose sum is σ = 8668154880. Its totient is φ = 4279698000.

The previous prime is 6460270877. The next prime is 6460270897. The reversal of 6460270881 is 1880720646.

It is not a de Polignac number, because 6460270881 - 2² = 6460270877 is a prime.

It is a super-2 number, since 2×6460270881² = 83470199711793032322, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6460270871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 320796 + ... + 340338.

It is an arithmetic number, because the mean of its divisors is an integer number (541759680).

Almost surely, 2^6460270881 is an apocalyptic number.

It is an amenable number.

6460270881 is a deficient number, since it is larger than the sum of its proper divisors (2207883999).

6460270881 is a wasteful number, since it uses less digits than its factorization.

6460270881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20236.

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 6460270881 is about 80375.8102976262. The cubic root of 6460270881 is about 1862.4455134489.

The spelling of 6460270881 in words is "six billion, four hundred sixty million, two hundred seventy thousand, eight hundred eighty-one".