51040100446213 has 8 divisors (see below), whose sum is σ = 51159095183000. Its totient is φ = 50921110867968.

The previous prime is 51040100446211. The next prime is 51040100446259. The reversal of 51040100446213 is 31264400104015.

It can be written as a sum of positive squares in 4 ways, for example, as 10202287586404 + 40837812859809 = 3194102^2 + 6390447^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51040100446213 - 2¹ = 51040100446211 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 (51040100446211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18889573 + ... + 21421861.

It is an arithmetic number, because the mean of its divisors is an integer number (6394886897875).

Almost surely, 2^{51040100446213} is an apocalyptic number.

It is an amenable number.

51040100446213 is a deficient number, since it is larger than the sum of its proper divisors (118994736787).

51040100446213 is a wasteful number, since it uses less digits than its factorization.

51040100446213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2579271.

The product of its (nonzero) digits is 11520, while the sum is 31.

The spelling of 51040100446213 in words is "fifty-one trillion, forty billion, one hundred million, four hundred forty-six thousand, two hundred thirteen".