64611452430 has 72 divisors (see below), whose sum is σ = 195416691912. Its totient is φ = 14768330976.

The previous prime is 64611452413. The next prime is 64611452461. The reversal of 64611452430 is 3425411646.

64611452430 is a `hidden beast` number, since 6 + 4 + 611 + 4 + 5 + 2 + 4 + 30 = 666.

It is a super-2 number, since 2×64611452430² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 7321152 + ... + 7329971.

It is an arithmetic number, because the mean of its divisors is an integer number (2714120721).

Almost surely, 2^64611452430 is an apocalyptic number.

64611452430 is an abundant number, since it is smaller than the sum of its proper divisors (130805239482).

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

64611452430 is a wasteful number, since it uses less digits than its factorization.

64611452430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14651150 (or 14651140 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 64611452430 in words is "sixty-four billion, six hundred eleven million, four hundred fifty-two thousand, four hundred thirty".