3901139477 has 4 divisors (see below), whose sum is σ = 3918633600. Its totient is φ = 3883645356.

The previous prime is 3901139471. The next prime is 3901139483. The reversal of 3901139477 is 7749311093.

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 an interprime number because it is at equal distance from previous prime (3901139471) and next prime (3901139483).

It is a cyclic number.

It is not a de Polignac number, because 3901139477 - 2¹⁰ = 3901138453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3901139471) 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, 8746727 + ... + 8747172.

It is an arithmetic number, because the mean of its divisors is an integer number (979658400).

Almost surely, 2^3901139477 is an apocalyptic number.

It is an amenable number.

3901139477 is a deficient number, since it is larger than the sum of its proper divisors (17494123).

3901139477 is a wasteful number, since it uses less digits than its factorization.

3901139477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17494122.

The product of its (nonzero) digits is 142884, while the sum is 44.

The square root of 3901139477 is about 62459.1024351135. The cubic root of 3901139477 is about 1574.2142013800.

The spelling of 3901139477 in words is "three billion, nine hundred one million, one hundred thirty-nine thousand, four hundred seventy-seven".