43913086957 has 16 divisors (see below), whose sum is σ = 46754136000. Its totient is φ = 41126932224.

The previous prime is 43913086951. The next prime is 43913086961. The reversal of 43913086957 is 75968031934.

It is a cyclic number.

It is not a de Polignac number, because 43913086957 - 2³ = 43913086949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43913086898 and 43913086907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43913086951) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 808894 + ... + 861472.

It is an arithmetic number, because the mean of its divisors is an integer number (2922133500).

Almost surely, 2^43913086957 is an apocalyptic number.

It is an amenable number.

43913086957 is a deficient number, since it is larger than the sum of its proper divisors (2841049043).

43913086957 is a wasteful number, since it uses less digits than its factorization.

43913086957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53100.

The product of its (nonzero) digits is 4898880, while the sum is 55.

The spelling of 43913086957 in words is "forty-three billion, nine hundred thirteen million, eighty-six thousand, nine hundred fifty-seven".