2156062450613 has 2 divisors, whose sum is σ = 2156062450614. Its totient is φ = 2156062450612.

The previous prime is 2156062450483. The next prime is 2156062450639. The reversal of 2156062450613 is 3160542606512.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2098911332644 + 57151117969 = 1448762^2 + 239063^2 .

It is a cyclic number.

It is not a de Polignac number, because 2156062450613 - 2²² = 2156058256309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2156062450673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1078031225306 + 1078031225307.

It is an arithmetic number, because the mean of its divisors is an integer number (1078031225307).

Almost surely, 2^{2156062450613} is an apocalyptic number.

It is an amenable number.

2156062450613 is a deficient number, since it is larger than the sum of its proper divisors (1).

2156062450613 is an equidigital number, since it uses as much as digits as its factorization.

2156062450613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 2156062450613 in words is "two trillion, one hundred fifty-six billion, sixty-two million, four hundred fifty thousand, six hundred thirteen".