51701269259 has 2 divisors, whose sum is σ = 51701269260. Its totient is φ = 51701269258.

The previous prime is 51701269253. The next prime is 51701269267. The reversal of 51701269259 is 95296210715.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51701269259 - 2²⁰ = 51700220683 is a prime.

It is not a weakly prime, because it can be changed into another prime (51701269253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25850634629 + 25850634630.

It is an arithmetic number, because the mean of its divisors is an integer number (25850634630).

Almost surely, 2^51701269259 is an apocalyptic number.

51701269259 is a deficient number, since it is larger than the sum of its proper divisors (1).

51701269259 is an equidigital number, since it uses as much as digits as its factorization.

51701269259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 340200, while the sum is 47.

The spelling of 51701269259 in words is "fifty-one billion, seven hundred one million, two hundred sixty-nine thousand, two hundred fifty-nine".