956721151 has 2 divisors, whose sum is σ = 956721152. Its totient is φ = 956721150.

The previous prime is 956721127. The next prime is 956721197. The reversal of 956721151 is 151127659.

It is a weak prime.

It is an emirp because it is prime and its reverse (151127659) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 956721151 - 2⁵ = 956721119 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 956721151.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (956721251) 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, 478360575 + 478360576.

It is an arithmetic number, because the mean of its divisors is an integer number (478360576).

Almost surely, 2^956721151 is an apocalyptic number.

956721151 is a deficient number, since it is larger than the sum of its proper divisors (1).

956721151 is an equidigital number, since it uses as much as digits as its factorization.

956721151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18900, while the sum is 37.

The square root of 956721151 is about 30930.9093141472. The cubic root of 956721151 is about 985.3604463003.

The spelling of 956721151 in words is "nine hundred fifty-six million, seven hundred twenty-one thousand, one hundred fifty-one".