64201683274 has 24 divisors (see below), whose sum is σ = 98770906080. Its totient is φ = 31298147040.

The previous prime is 64201683269. The next prime is 64201683323. The reversal of 64201683274 is 47238610246.

It is a super-2 number, since 2×64201683274² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 64201683274.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6312117 + ... + 6322279.

It is an arithmetic number, because the mean of its divisors is an integer number (4115454420).

Almost surely, 2^64201683274 is an apocalyptic number.

64201683274 is a deficient number, since it is larger than the sum of its proper divisors (34569222806).

64201683274 is a wasteful number, since it uses less digits than its factorization.

64201683274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12126 (or 12085 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 43.

The spelling of 64201683274 in words is "sixty-four billion, two hundred one million, six hundred eighty-three thousand, two hundred seventy-four".