3909957114155 has 4 divisors (see below), whose sum is σ = 4691948536992. Its totient is φ = 3127965691320.

The previous prime is 3909957114047. The next prime is 3909957114169. The reversal of 3909957114155 is 5514117599093.

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

It is not a de Polignac number, because 3909957114155 - 2²⁰ = 3909956065579 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3909957114094 and 3909957114103.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 390995711411 + ... + 390995711420.

It is an arithmetic number, because the mean of its divisors is an integer number (1172987134248).

Almost surely, 2^{3909957114155} is an apocalyptic number.

3909957114155 is a deficient number, since it is larger than the sum of its proper divisors (781991422837).

3909957114155 is an equidigital number, since it uses as much as digits as its factorization.

3909957114155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781991422836.

The product of its (nonzero) digits is 7654500, while the sum is 59.

The spelling of 3909957114155 in words is "three trillion, nine hundred nine billion, nine hundred fifty-seven million, one hundred fourteen thousand, one hundred fifty-five".