3775931949 has 4 divisors (see below), whose sum is σ = 5034575936. Its totient is φ = 2517287964.

The previous prime is 3775931933. The next prime is 3775931977. The reversal of 3775931949 is 9491395773.

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 not a de Polignac number, because 3775931949 - 2⁴ = 3775931933 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 (3775931909) 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, 629321989 + ... + 629321994.

It is an arithmetic number, because the mean of its divisors is an integer number (1258643984).

Almost surely, 2^3775931949 is an apocalyptic number.

It is an amenable number.

3775931949 is a deficient number, since it is larger than the sum of its proper divisors (1258643987).

3775931949 is a wasteful number, since it uses less digits than its factorization.

3775931949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1258643986.

The product of its digits is 6429780, while the sum is 57.

The square root of 3775931949 is about 61448.6122626052. The cubic root of 3775931949 is about 1557.1892116922.

The spelling of 3775931949 in words is "three billion, seven hundred seventy-five million, nine hundred thirty-one thousand, nine hundred forty-nine".