51300613013 has 8 divisors (see below), whose sum is σ = 55446264888. Its totient is φ = 47183454144.

The previous prime is 51300612977. The next prime is 51300613019. The reversal of 51300613013 is 31031600315.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4251844 + 51296361169 = 2062^2 + 226487^2 .

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 51300613013 - 2¹⁶ = 51300547477 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51300613013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51300613019) 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, 7119506 + ... + 7126707.

It is an arithmetic number, because the mean of its divisors is an integer number (6930783111).

Almost surely, 2^51300613013 is an apocalyptic number.

It is an amenable number.

51300613013 is a deficient number, since it is larger than the sum of its proper divisors (4145651875).

51300613013 is a wasteful number, since it uses less digits than its factorization.

51300613013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14246503.

The product of its (nonzero) digits is 810, while the sum is 23.

The spelling of 51300613013 in words is "fifty-one billion, three hundred million, six hundred thirteen thousand, thirteen".