3989700436057 has 4 divisors (see below), whose sum is σ = 4559657641216. Its totient is φ = 3419743230900.

The previous prime is 3989700436049. The next prime is 3989700436097. The reversal of 3989700436057 is 7506340079893.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3989700436057 - 2³ = 3989700436049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3989700435986 and 3989700436004.

It is not an unprimeable number, because it can be changed into a prime (3989700436097) 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, 284978602569 + ... + 284978602582.

It is an arithmetic number, because the mean of its divisors is an integer number (1139914410304).

Almost surely, 2^{3989700436057} is an apocalyptic number.

It is an amenable number.

3989700436057 is a deficient number, since it is larger than the sum of its proper divisors (569957205159).

3989700436057 is an equidigital number, since it uses as much as digits as its factorization.

3989700436057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569957205158.

The product of its (nonzero) digits is 34292160, while the sum is 61.

The spelling of 3989700436057 in words is "three trillion, nine hundred eighty-nine billion, seven hundred million, four hundred thirty-six thousand, fifty-seven".