6465120007 has 4 divisors (see below), whose sum is σ = 6465286080. Its totient is φ = 6464953936.

The previous prime is 6465119993. The next prime is 6465120023. The reversal of 6465120007 is 7000215646.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 6465120007 - 2²³ = 6456731399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6465126007) 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, 10419 + ... + 114187.

It is an arithmetic number, because the mean of its divisors is an integer number (1616321520).

Almost surely, 2^6465120007 is an apocalyptic number.

6465120007 is a deficient number, since it is larger than the sum of its proper divisors (166073).

6465120007 is a wasteful number, since it uses less digits than its factorization.

6465120007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166072.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 6465120007 is about 80405.9699711408. The cubic root of 6465120007 is about 1862.9113852591.

The spelling of 6465120007 in words is "six billion, four hundred sixty-five million, one hundred twenty thousand, seven".