2151177270313 has 2 divisors, whose sum is σ = 2151177270314. Its totient is φ = 2151177270312.

The previous prime is 2151177270287. The next prime is 2151177270329. The reversal of 2151177270313 is 3130727711512.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1932108340009 + 219068930304 = 1390003^2 + 468048^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2151177270313 is a prime.

It is a super-2 number, since 2×2151177270313² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2151177270353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1075588635156 + 1075588635157.

It is an arithmetic number, because the mean of its divisors is an integer number (1075588635157).

Almost surely, 2^{2151177270313} is an apocalyptic number.

It is an amenable number.

2151177270313 is a deficient number, since it is larger than the sum of its proper divisors (1).

2151177270313 is an equidigital number, since it uses as much as digits as its factorization.

2151177270313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61740, while the sum is 40.

The spelling of 2151177270313 in words is "two trillion, one hundred fifty-one billion, one hundred seventy-seven million, two hundred seventy thousand, three hundred thirteen".