43097625681 has 8 divisors (see below), whose sum is σ = 62687455584. Its totient is φ = 26119773120.

The previous prime is 43097625677. The next prime is 43097625709. The reversal of 43097625681 is 18652679034.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 43097625681 - 2² = 43097625677 is a prime.

It is a super-2 number, since 2×43097625681² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (43097625661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 652994296 + ... + 652994361.

It is an arithmetic number, because the mean of its divisors is an integer number (7835931948).

It is a 1-persistent number, because it is pandigital, but 2⋅43097625681 = 86195251362 is not.

Almost surely, 2^43097625681 is an apocalyptic number.

It is an amenable number.

43097625681 is a deficient number, since it is larger than the sum of its proper divisors (19589829903).

43097625681 is a wasteful number, since it uses less digits than its factorization.

43097625681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1305988671.

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 43097625681 in words is "forty-three billion, ninety-seven million, six hundred twenty-five thousand, six hundred eighty-one".