51641410023461 has 4 divisors (see below), whose sum is σ = 52412177337312. Its totient is φ = 50870642709612.

The previous prime is 51641410023449. The next prime is 51641410023509. The reversal of 51641410023461 is 16432001414615.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 51641410023461 - 2⁶ = 51641410023397 is a prime.

It is a super-2 number, since 2×51641410023461² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51641410023431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385383656825 + ... + 385383656958.

It is an arithmetic number, because the mean of its divisors is an integer number (13103044334328).

Almost surely, 2^{51641410023461} is an apocalyptic number.

It is an amenable number.

51641410023461 is a deficient number, since it is larger than the sum of its proper divisors (770767313851).

51641410023461 is an equidigital number, since it uses as much as digits as its factorization.

51641410023461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770767313850.

The product of its (nonzero) digits is 69120, while the sum is 38.

The spelling of 51641410023461 in words is "fifty-one trillion, six hundred forty-one billion, four hundred ten million, twenty-three thousand, four hundred sixty-one".