2152002393 has 6 divisors (see below), whose sum is σ = 3108447914. Its totient is φ = 1434668256.

The previous prime is 2152002389. The next prime is 2152002431. The reversal of 2152002393 is 3932002512.

It can be written as a sum of positive squares in only one way, i.e., 2100205584 + 51796809 = 45828^2 + 7197^2 .

It is not a de Polignac number, because 2152002393 - 2² = 2152002389 is a prime.

It is a super-2 number, since 2×2152002393² = 9262228598955452898, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2152002313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 119555680 + ... + 119555697.

Almost surely, 2^2152002393 is an apocalyptic number.

It is an amenable number.

2152002393 is a deficient number, since it is larger than the sum of its proper divisors (956445521).

2152002393 is a wasteful number, since it uses less digits than its factorization.

2152002393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239111383 (or 239111380 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 2152002393 is about 46389.6798113546. The cubic root of 2152002393 is about 1291.0634407368.

The spelling of 2152002393 in words is "two billion, one hundred fifty-two million, two thousand, three hundred ninety-three".