3155974243 has 2 divisors, whose sum is σ = 3155974244. Its totient is φ = 3155974242.

The previous prime is 3155974223. The next prime is 3155974259. The reversal of 3155974243 is 3424795513.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3155974243 - 2²¹ = 3153877091 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3155974243.

It is not a weakly prime, because it can be changed into another prime (3155974223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1577987121 + 1577987122.

It is an arithmetic number, because the mean of its divisors is an integer number (1577987122).

Almost surely, 2^3155974243 is an apocalyptic number.

3155974243 is a deficient number, since it is larger than the sum of its proper divisors (1).

3155974243 is an equidigital number, since it uses as much as digits as its factorization.

3155974243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 453600, while the sum is 43.

The square root of 3155974243 is about 56178.0583769144. The cubic root of 3155974243 is about 1466.8233565436.

The spelling of 3155974243 in words is "three billion, one hundred fifty-five million, nine hundred seventy-four thousand, two hundred forty-three".