51961743434 has 8 divisors (see below), whose sum is σ = 79755234240. Its totient is φ = 25376665356.

The previous prime is 51961743371. The next prime is 51961743461. The reversal of 51961743434 is 43434716915.

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

It is a super-2 number, since 2×51961743434² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 302103074 + ... + 302103245.

It is an arithmetic number, because the mean of its divisors is an integer number (9969404280).

Almost surely, 2^51961743434 is an apocalyptic number.

51961743434 is a deficient number, since it is larger than the sum of its proper divisors (27793490806).

51961743434 is a wasteful number, since it uses less digits than its factorization.

51961743434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604206364.

The product of its digits is 1088640, while the sum is 47.

The spelling of 51961743434 in words is "fifty-one billion, nine hundred sixty-one million, seven hundred forty-three thousand, four hundred thirty-four".