51410046461 has 24 divisors (see below), whose sum is σ = 54888844248. Its totient is φ = 48139920000.

The previous prime is 51410046451. The next prime is 51410046487. The reversal of 51410046461 is 16464001415.

It can be written as a sum of positive squares in 4 ways, for example, as 21548478436 + 29861568025 = 146794^2 + 172805^2 .

It is not a de Polignac number, because 51410046461 - 2¹⁸ = 51409784317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51410046451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37225991 + ... + 37227371.

It is an arithmetic number, because the mean of its divisors is an integer number (2287035177).

Almost surely, 2^51410046461 is an apocalyptic number.

It is an amenable number.

51410046461 is a deficient number, since it is larger than the sum of its proper divisors (3478797787).

51410046461 is a wasteful number, since it uses less digits than its factorization.

51410046461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2541 (or 2522 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

Adding to 51410046461 its reverse (16464001415), we get a palindrome (67874047876).

The spelling of 51410046461 in words is "fifty-one billion, four hundred ten million, forty-six thousand, four hundred sixty-one".