2156246610313 has 4 divisors (see below), whose sum is σ = 2161876497408. Its totient is φ = 2150616723220.

The previous prime is 2156246610311. The next prime is 2156246610431. The reversal of 2156246610313 is 3130166426512.

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 2156246610313 - 2¹ = 2156246610311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2156246610311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2814942973 + ... + 2814943738.

It is an arithmetic number, because the mean of its divisors is an integer number (540469124352).

Almost surely, 2^{2156246610313} is an apocalyptic number.

It is an amenable number.

2156246610313 is a deficient number, since it is larger than the sum of its proper divisors (5629887095).

2156246610313 is an equidigital number, since it uses as much as digits as its factorization.

2156246610313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5629887094.

The product of its (nonzero) digits is 155520, while the sum is 40.

The spelling of 2156246610313 in words is "two trillion, one hundred fifty-six billion, two hundred forty-six million, six hundred ten thousand, three hundred thirteen".