51542963013 has 8 divisors (see below), whose sum is σ = 72341000800. Its totient is φ = 32553450288.

The previous prime is 51542962973. The next prime is 51542963029. The reversal of 51542963013 is 31036924515.

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

It is not a de Polignac number, because 51542963013 - 2⁹ = 51542962501 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 (51542963053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 452131198 + ... + 452131311.

It is an arithmetic number, because the mean of its divisors is an integer number (9042625100).

Almost surely, 2^51542963013 is an apocalyptic number.

It is an amenable number.

51542963013 is a deficient number, since it is larger than the sum of its proper divisors (20798037787).

51542963013 is a wasteful number, since it uses less digits than its factorization.

51542963013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904262531.

The product of its (nonzero) digits is 97200, while the sum is 39.

The spelling of 51542963013 in words is "fifty-one billion, five hundred forty-two million, nine hundred sixty-three thousand, thirteen".