375668704491 has 4 divisors (see below), whose sum is σ = 500891605992. Its totient is φ = 250445802992.

The previous prime is 375668704451. The next prime is 375668704493. The reversal of 375668704491 is 194407866573.

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

It is a cyclic number.

It is not a de Polignac number, because 375668704491 - 2⁷ = 375668704363 is a prime.

It is a super-2 number, since 2×375668704491² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (375668704493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62611450746 + ... + 62611450751.

It is an arithmetic number, because the mean of its divisors is an integer number (125222901498).

Almost surely, 2^375668704491 is an apocalyptic number.

375668704491 is a deficient number, since it is larger than the sum of its proper divisors (125222901501).

375668704491 is a wasteful number, since it uses less digits than its factorization.

375668704491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125222901500.

The product of its (nonzero) digits is 30481920, while the sum is 60.

The spelling of 375668704491 in words is "three hundred seventy-five billion, six hundred sixty-eight million, seven hundred four thousand, four hundred ninety-one".