374688631811 has 4 divisors (see below), whose sum is σ = 403510834272. Its totient is φ = 345866429352.

The previous prime is 374688631787. The next prime is 374688631841. The reversal of 374688631811 is 118136886473.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-374688631811 is a prime.

It is a super-2 number, since 2×374688631811² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (374688631841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14411101211 + ... + 14411101236.

It is an arithmetic number, because the mean of its divisors is an integer number (100877708568).

Almost surely, 2^374688631811 is an apocalyptic number.

374688631811 is a deficient number, since it is larger than the sum of its proper divisors (28822202461).

374688631811 is a wasteful number, since it uses less digits than its factorization.

374688631811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28822202460.

The product of its digits is 4644864, while the sum is 56.

The spelling of 374688631811 in words is "three hundred seventy-four billion, six hundred eighty-eight million, six hundred thirty-one thousand, eight hundred eleven".