2137928613 has 4 divisors (see below), whose sum is σ = 2850571488. Its totient is φ = 1425285740.

The previous prime is 2137928603. The next prime is 2137928623. The reversal of 2137928613 is 3168297312.

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 an interprime number because it is at equal distance from previous prime (2137928603) and next prime (2137928623).

It is a cyclic number.

It is not a de Polignac number, because 2137928613 - 2⁹ = 2137928101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2137928603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 356321433 + ... + 356321438.

It is an arithmetic number, because the mean of its divisors is an integer number (712642872).

Almost surely, 2^2137928613 is an apocalyptic number.

It is an amenable number.

2137928613 is a deficient number, since it is larger than the sum of its proper divisors (712642875).

2137928613 is an equidigital number, since it uses as much as digits as its factorization.

2137928613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712642874.

The product of its digits is 108864, while the sum is 42.

The square root of 2137928613 is about 46237.7401372515. The cubic root of 2137928613 is about 1288.2428277956.

The spelling of 2137928613 in words is "two billion, one hundred thirty-seven million, nine hundred twenty-eight thousand, six hundred thirteen".