253791426929 has 2 divisors, whose sum is σ = 253791426930. Its totient is φ = 253791426928.

The previous prime is 253791426859. The next prime is 253791426949. The reversal of 253791426929 is 929624197352.

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., 169678086400 + 84113340529 = 411920^2 + 290023^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253791426929 is a prime.

It is not a weakly prime, because it can be changed into another prime (253791426949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126895713464 + 126895713465.

It is an arithmetic number, because the mean of its divisors is an integer number (126895713465).

Almost surely, 2^253791426929 is an apocalyptic number.

It is an amenable number.

253791426929 is a deficient number, since it is larger than the sum of its proper divisors (1).

253791426929 is an equidigital number, since it uses as much as digits as its factorization.

253791426929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14696640, while the sum is 59.

The spelling of 253791426929 in words is "two hundred fifty-three billion, seven hundred ninety-one million, four hundred twenty-six thousand, nine hundred twenty-nine".