375043347681 has 16 divisors (see below), whose sum is σ = 530049168000. Its totient is φ = 235065224448.

The previous prime is 375043347673. The next prime is 375043347713. The reversal of 375043347681 is 186743340573.

It is not a de Polignac number, because 375043347681 - 2³ = 375043347673 is a prime.

It is a super-2 number, since 2×375043347681² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (375043347611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3954106 + ... + 4047843.

It is an arithmetic number, because the mean of its divisors is an integer number (33128073000).

Almost surely, 2^375043347681 is an apocalyptic number.

It is an amenable number.

375043347681 is a deficient number, since it is larger than the sum of its proper divisors (155005820319).

375043347681 is a wasteful number, since it uses less digits than its factorization.

375043347681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8002888.

The product of its (nonzero) digits is 5080320, while the sum is 51.

The spelling of 375043347681 in words is "three hundred seventy-five billion, forty-three million, three hundred forty-seven thousand, six hundred eighty-one".