51106420323293 has 2 divisors, whose sum is σ = 51106420323294. Its totient is φ = 51106420323292.

The previous prime is 51106420323269. The next prime is 51106420323331. The reversal of 51106420323293 is 39232302460115.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42196690826404 + 8909729496889 = 6495898^2 + 2984917^2 .

It is a cyclic number.

It is not a de Polignac number, because 51106420323293 - 2³⁶ = 51037700846557 is a prime.

It is a super-2 number, since 2×51106420323293² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51106420323293.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51106420323223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25553210161646 + 25553210161647.

It is an arithmetic number, because the mean of its divisors is an integer number (25553210161647).

Almost surely, 2^{51106420323293} is an apocalyptic number.

It is an amenable number.

51106420323293 is a deficient number, since it is larger than the sum of its proper divisors (1).

51106420323293 is an equidigital number, since it uses as much as digits as its factorization.

51106420323293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 233280, while the sum is 41.

The spelling of 51106420323293 in words is "fifty-one trillion, one hundred six billion, four hundred twenty million, three hundred twenty-three thousand, two hundred ninety-three".