64327659099408 has 60 divisors (see below), whose sum is σ = 190617989838588. Its totient is φ = 20181226383360.

The previous prime is 64327659099401. The next prime is 64327659099427. The reversal of 64327659099408 is 80499095672346.

64327659099408 is a `hidden beast` number, since 6 + 4 + 3 + 27 + 6 + 590 + 9 + 9 + 4 + 0 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 23739190354944 + 40588468744464 = 4872288^2 + 6370908^2 .

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (64327659099401) 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, 13138816813 + ... + 13138821708.

Almost surely, 2^{64327659099408} is an apocalyptic number.

64327659099408 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

64327659099408 is an abundant number, since it is smaller than the sum of its proper divisors (126290330739180).

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

64327659099408 is a wasteful number, since it uses less digits than its factorization.

64327659099408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26277638552 (or 26277638543 counting only the distinct ones).

The product of its (nonzero) digits is 705438720, while the sum is 72.

The spelling of 64327659099408 in words is "sixty-four trillion, three hundred twenty-seven billion, six hundred fifty-nine million, ninety-nine thousand, four hundred eight".