51196743935 has 4 divisors (see below), whose sum is σ = 61436092728. Its totient is φ = 40957395144.

The previous prime is 51196743929. The next prime is 51196743977. The reversal of 51196743935 is 53934769115.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51196743935 - 2¹⁰ = 51196742911 is a prime.

It is a super-2 number, since 2×51196743935² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5119674389 + ... + 5119674398.

It is an arithmetic number, because the mean of its divisors is an integer number (15359023182).

Almost surely, 2^51196743935 is an apocalyptic number.

51196743935 is a deficient number, since it is larger than the sum of its proper divisors (10239348793).

51196743935 is a wasteful number, since it uses less digits than its factorization.

51196743935 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10239348792.

The product of its digits is 3061800, while the sum is 53.

The spelling of 51196743935 in words is "fifty-one billion, one hundred ninety-six million, seven hundred forty-three thousand, nine hundred thirty-five".