3158572643 has 2 divisors, whose sum is σ = 3158572644. Its totient is φ = 3158572642.

The previous prime is 3158572639. The next prime is 3158572649. The reversal of 3158572643 is 3462758513.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3158572643 - 2² = 3158572639 is a prime.

It is a super-2 number, since 2×3158572643² = 19953162282216010898, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3158572594 and 3158572603.

It is not a weakly prime, because it can be changed into another prime (3158572649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1579286321 + 1579286322.

It is an arithmetic number, because the mean of its divisors is an integer number (1579286322).

Almost surely, 2^3158572643 is an apocalyptic number.

3158572643 is a deficient number, since it is larger than the sum of its proper divisors (1).

3158572643 is an equidigital number, since it uses as much as digits as its factorization.

3158572643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 604800, while the sum is 44.

The square root of 3158572643 is about 56201.1800854751. The cubic root of 3158572643 is about 1467.2258047245.

The spelling of 3158572643 in words is "three billion, one hundred fifty-eight million, five hundred seventy-two thousand, six hundred forty-three".