3957194245 has 8 divisors (see below), whose sum is σ = 4748992920. Its totient is φ = 3165515520.

The previous prime is 3957194243. The next prime is 3957194287. The reversal of 3957194245 is 5424917593.

It can be written as a sum of positive squares in 4 ways, for example, as 2769495876 + 1187698369 = 52626^2 + 34463^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3957194245 - 2¹ = 3957194243 is a prime.

It is a super-2 number, since 2×3957194245² = 31318772585322240050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3957194243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77865 + ... + 118225.

It is an arithmetic number, because the mean of its divisors is an integer number (593624115).

Almost surely, 2^3957194245 is an apocalyptic number.

It is an amenable number.

3957194245 is a deficient number, since it is larger than the sum of its proper divisors (791798675).

3957194245 is a wasteful number, since it uses less digits than its factorization.

3957194245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59975.

The product of its digits is 1360800, while the sum is 49.

The square root of 3957194245 is about 62906.2337531027. The cubic root of 3957194245 is about 1581.7182403712.

The spelling of 3957194245 in words is "three billion, nine hundred fifty-seven million, one hundred ninety-four thousand, two hundred forty-five".