51063202797 has 4 divisors (see below), whose sum is σ = 68084270400. Its totient is φ = 34042135196.

The previous prime is 51063202793. The next prime is 51063202843. The reversal of 51063202797 is 79720236015.

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 51063202797 - 2² = 51063202793 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51063202793) 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, 8510533797 + ... + 8510533802.

It is an arithmetic number, because the mean of its divisors is an integer number (17021067600).

Almost surely, 2^51063202797 is an apocalyptic number.

It is an amenable number.

51063202797 is a deficient number, since it is larger than the sum of its proper divisors (17021067603).

51063202797 is a wasteful number, since it uses less digits than its factorization.

51063202797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17021067602.

The product of its (nonzero) digits is 158760, while the sum is 42.

The spelling of 51063202797 in words is "fifty-one billion, sixty-three million, two hundred two thousand, seven hundred ninety-seven".