51122744419 has 8 divisors (see below), whose sum is σ = 52403606640. Its totient is φ = 49846062336.

The previous prime is 51122744411. The next prime is 51122744429. The reversal of 51122744419 is 91444722115.

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

It is not a de Polignac number, because 51122744419 - 2³ = 51122744411 is a prime.

It is a super-2 number, since 2×51122744419² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51122744411) 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, 1020262 + ... + 1069195.

It is an arithmetic number, because the mean of its divisors is an integer number (6550450830).

Almost surely, 2^51122744419 is an apocalyptic number.

51122744419 is a deficient number, since it is larger than the sum of its proper divisors (1280862221).

51122744419 is a wasteful number, since it uses less digits than its factorization.

51122744419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2090069.

The product of its digits is 80640, while the sum is 40.

The spelling of 51122744419 in words is "fifty-one billion, one hundred twenty-two million, seven hundred forty-four thousand, four hundred nineteen".