2152694840993 has 2 divisors, whose sum is σ = 2152694840994. Its totient is φ = 2152694840992.

The previous prime is 2152694840963. The next prime is 2152694841053. The reversal of 2152694840993 is 3990484962512.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1967926397584 + 184768443409 = 1402828^2 + 429847^2 .

It is a cyclic number.

It is not a de Polignac number, because 2152694840993 - 2³⁴ = 2135514971809 is a prime.

It is not a weakly prime, because it can be changed into another prime (2152694840963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1076347420496 + 1076347420497.

It is an arithmetic number, because the mean of its divisors is an integer number (1076347420497).

Almost surely, 2^{2152694840993} is an apocalyptic number.

It is an amenable number.

2152694840993 is a deficient number, since it is larger than the sum of its proper divisors (1).

2152694840993 is an equidigital number, since it uses as much as digits as its factorization.

2152694840993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33592320, while the sum is 62.

The spelling of 2152694840993 in words is "two trillion, one hundred fifty-two billion, six hundred ninety-four million, eight hundred forty thousand, nine hundred ninety-three".