51094186742 has 16 divisors (see below), whose sum is σ = 78725222592. Its totient is φ = 24852666240.

The previous prime is 51094186739. The next prime is 51094186751. The reversal of 51094186742 is 24768149015.

It is a happy number.

It is a super-2 number, since 2×51094186742² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 442067 + ... + 545537.

It is an arithmetic number, because the mean of its divisors is an integer number (4920326412).

Almost surely, 2^51094186742 is an apocalyptic number.

51094186742 is a deficient number, since it is larger than the sum of its proper divisors (27631035850).

51094186742 is a wasteful number, since it uses less digits than its factorization.

51094186742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110183.

The product of its (nonzero) digits is 483840, while the sum is 47.

The spelling of 51094186742 in words is "fifty-one billion, ninety-four million, one hundred eighty-six thousand, seven hundred forty-two".