6465552136254 has 24 divisors (see below), whose sum is σ = 14008877190360. Its totient is φ = 2155156215408.

The previous prime is 6465552136237. The next prime is 6465552136259. The reversal of 6465552136254 is 4526312555646.

6465552136254 is a `hidden beast` number, since 6 + 4 + 6 + 5 + 5 + 5 + 2 + 1 + 3 + 625 + 4 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6465552136254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6465552136259) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 861757 + ... + 3697800.

It is an arithmetic number, because the mean of its divisors is an integer number (583703216265).

Almost surely, 2^{6465552136254} is an apocalyptic number.

6465552136254 is an abundant number, since it is smaller than the sum of its proper divisors (7543325054106).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6465552136254 is a wasteful number, since it uses less digits than its factorization.

6465552136254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4638344 (or 4638341 counting only the distinct ones).

The product of its digits is 25920000, while the sum is 54.

The spelling of 6465552136254 in words is "six trillion, four hundred sixty-five billion, five hundred fifty-two million, one hundred thirty-six thousand, two hundred fifty-four".