253722153049667 has 2 divisors, whose sum is σ = 253722153049668. Its totient is φ = 253722153049666.

The previous prime is 253722153049597. The next prime is 253722153049681. The reversal of 253722153049667 is 766940351227352.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253722153049667 is a prime.

It is not a weakly prime, because it can be changed into another prime (253722153049697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126861076524833 + 126861076524834.

It is an arithmetic number, because the mean of its divisors is an integer number (126861076524834).

Almost surely, 2^{253722153049667} is an apocalyptic number.

253722153049667 is a deficient number, since it is larger than the sum of its proper divisors (1).

253722153049667 is an equidigital number, since it uses as much as digits as its factorization.

253722153049667 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 114307200, while the sum is 62.

The spelling of 253722153049667 in words is "two hundred fifty-three trillion, seven hundred twenty-two billion, one hundred fifty-three million, forty-nine thousand, six hundred sixty-seven".