51902341357 has 2 divisors, whose sum is σ = 51902341358. Its totient is φ = 51902341356.

The previous prime is 51902341301. The next prime is 51902341399. The reversal of 51902341357 is 75314320915.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51087752676 + 814588681 = 226026^2 + 28541^2 .

It is a cyclic number.

It is not a de Polignac number, because 51902341357 - 2⁷ = 51902341229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51902342357) 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, 25951170678 + 25951170679.

It is an arithmetic number, because the mean of its divisors is an integer number (25951170679).

Almost surely, 2^51902341357 is an apocalyptic number.

It is an amenable number.

51902341357 is a deficient number, since it is larger than the sum of its proper divisors (1).

51902341357 is an equidigital number, since it uses as much as digits as its factorization.

51902341357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 113400, while the sum is 40.

The spelling of 51902341357 in words is "fifty-one billion, nine hundred two million, three hundred forty-one thousand, three hundred fifty-seven".