3949374973 has 16 divisors (see below), whose sum is σ = 4045821696. Its totient is φ = 3854341120.

The previous prime is 3949374953. The next prime is 3949374997. The reversal of 3949374973 is 3794739493.

It is a cyclic number.

It is not a de Polignac number, because 3949374973 - 2¹⁷ = 3949243901 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 (3949374953) 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, 4041861 + ... + 4042837.

It is an arithmetic number, because the mean of its divisors is an integer number (252863856).

Almost surely, 2^3949374973 is an apocalyptic number.

It is an amenable number.

3949374973 is a deficient number, since it is larger than the sum of its proper divisors (96446723).

3949374973 is a wasteful number, since it uses less digits than its factorization.

3949374973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1604.

The product of its digits is 15431472, while the sum is 58.

The square root of 3949374973 is about 62844.0528053371. The cubic root of 3949374973 is about 1580.6757475088.

The spelling of 3949374973 in words is "three billion, nine hundred forty-nine million, three hundred seventy-four thousand, nine hundred seventy-three".