3157646983 has 2 divisors, whose sum is σ = 3157646984. Its totient is φ = 3157646982.

The previous prime is 3157646959. The next prime is 3157647029. The reversal of 3157646983 is 3896467513.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3157646983 - 2¹³ = 3157638791 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3157646983.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3157646083) 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, 1578823491 + 1578823492.

It is an arithmetic number, because the mean of its divisors is an integer number (1578823492).

Almost surely, 2^3157646983 is an apocalyptic number.

3157646983 is a deficient number, since it is larger than the sum of its proper divisors (1).

3157646983 is an equidigital number, since it uses as much as digits as its factorization.

3157646983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3265920, while the sum is 52.

The square root of 3157646983 is about 56192.9442456969. The cubic root of 3157646983 is about 1467.0824609753.

The spelling of 3157646983 in words is "three billion, one hundred fifty-seven million, six hundred forty-six thousand, nine hundred eighty-three".