2152141993 has 4 divisors (see below), whose sum is σ = 2245713408. Its totient is φ = 2058570580.

The previous prime is 2152141961. The next prime is 2152142011. The reversal of 2152141993 is 3991412512.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2152141993 - 2⁵ = 2152141961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2152141093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46785673 + ... + 46785718.

It is an arithmetic number, because the mean of its divisors is an integer number (561428352).

Almost surely, 2^2152141993 is an apocalyptic number.

2152141993 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2152141993 is a deficient number, since it is larger than the sum of its proper divisors (93571415).

2152141993 is an equidigital number, since it uses as much as digits as its factorization.

2152141993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93571414.

The product of its digits is 19440, while the sum is 37.

The square root of 2152141993 is about 46391.1844319586. The cubic root of 2152141993 is about 1291.0913571493.

The spelling of 2152141993 in words is "two billion, one hundred fifty-two million, one hundred forty-one thousand, nine hundred ninety-three".