6465920153 has 64 divisors (see below), whose sum is σ = 8699443200. Its totient is φ = 4654402560.

The previous prime is 6465920141. The next prime is 6465920179. The reversal of 6465920153 is 3510295646.

It is a cyclic number.

It is not a de Polignac number, because 6465920153 - 2⁸ = 6465919897 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6465920153.

It is not an unprimeable number, because it can be changed into a prime (6465920053) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14932625 + ... + 14933057.

It is an arithmetic number, because the mean of its divisors is an integer number (135928800).

Almost surely, 2^6465920153 is an apocalyptic number.

It is an amenable number.

6465920153 is a deficient number, since it is larger than the sum of its proper divisors (2233523047).

6465920153 is a wasteful number, since it uses less digits than its factorization.

6465920153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702.

The product of its (nonzero) digits is 194400, while the sum is 41.

The square root of 6465920153 is about 80410.9454800775. The cubic root of 6465920153 is about 1862.9882355780.

The spelling of 6465920153 in words is "six billion, four hundred sixty-five million, nine hundred twenty thousand, one hundred fifty-three".