64201683284 has 12 divisors (see below), whose sum is σ = 112357341684. Its totient is φ = 32099585664.

The previous prime is 64201683269. The next prime is 64201683323. The reversal of 64201683284 is 48238610246.

It can be written as a sum of positive squares in 2 ways, for example, as 1515544900 + 62686138384 = 38930^2 + 250372^2 .

It is a super-2 number, since 2×64201683284² (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 3 ways as a sum of consecutive naturals, for example, 193877 + ... + 407420.

It is an arithmetic number, because the mean of its divisors is an integer number (9363111807).

Almost surely, 2^64201683284 is an apocalyptic number.

It is an amenable number.

64201683284 is a deficient number, since it is larger than the sum of its proper divisors (48155658400).

64201683284 is a wasteful number, since it uses less digits than its factorization.

64201683284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627994 (or 627992 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 44.

The spelling of 64201683284 in words is "sixty-four billion, two hundred one million, six hundred eighty-three thousand, two hundred eighty-four".