6465920458 has 8 divisors (see below), whose sum is σ = 9700229952. Its totient is φ = 3232510476.

The previous prime is 6465920453. The next prime is 6465920497. The reversal of 6465920458 is 8540295646.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (6465920453) 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, 206610 + ... + 235837.

It is an arithmetic number, because the mean of its divisors is an integer number (1212528744).

Almost surely, 2^6465920458 is an apocalyptic number.

6465920458 is a deficient number, since it is larger than the sum of its proper divisors (3234309494).

6465920458 is a wasteful number, since it uses less digits than its factorization.

6465920458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449756.

The product of its (nonzero) digits is 2073600, while the sum is 49.

The square root of 6465920458 is about 80410.9473765855. The cubic root of 6465920458 is about 1862.9882648706.

The spelling of 6465920458 in words is "six billion, four hundred sixty-five million, nine hundred twenty thousand, four hundred fifty-eight".