51436722046 has 8 divisors (see below), whose sum is σ = 77280133680. Its totient is φ = 25676677488.

The previous prime is 51436721989. The next prime is 51436722067. The reversal of 51436722046 is 64022763415.

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

It is a super-2 number, since 2×51436722046² (a number of 22 digits) contains 22 as substring.

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, 20840226 + ... + 20842693.

It is an arithmetic number, because the mean of its divisors is an integer number (9660016710).

Almost surely, 2^51436722046 is an apocalyptic number.

51436722046 is a deficient number, since it is larger than the sum of its proper divisors (25843411634).

51436722046 is a wasteful number, since it uses less digits than its factorization.

51436722046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41683538.

The product of its (nonzero) digits is 241920, while the sum is 40.

The spelling of 51436722046 in words is "fifty-one billion, four hundred thirty-six million, seven hundred twenty-two thousand, forty-six".