2152396643 has 2 divisors, whose sum is σ = 2152396644. Its totient is φ = 2152396642.

The previous prime is 2152396637. The next prime is 2152396657. The reversal of 2152396643 is 3466932512.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2152396643 - 2⁶ = 2152396579 is a prime.

It is a super-2 number, since 2×2152396643² = 9265622617595338898, which contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2152396643.

It is not a weakly prime, because it can be changed into another prime (2152395643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1076198321 + 1076198322.

It is an arithmetic number, because the mean of its divisors is an integer number (1076198322).

Almost surely, 2^2152396643 is an apocalyptic number.

2152396643 is a deficient number, since it is larger than the sum of its proper divisors (1).

2152396643 is an equidigital number, since it uses as much as digits as its factorization.

2152396643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233280, while the sum is 41.

The square root of 2152396643 is about 46393.9289454989. The cubic root of 2152396643 is about 1291.1422774957.

The spelling of 2152396643 in words is "two billion, one hundred fifty-two million, three hundred ninety-six thousand, six hundred forty-three".