51614847619 has 16 divisors (see below), whose sum is σ = 55161092448. Its totient is φ = 48125693952.

The previous prime is 51614847601. The next prime is 51614847649. The reversal of 51614847619 is 91674841615.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 51614847619 - 2¹¹ = 51614845571 is a prime.

It is a super-2 number, since 2×51614847619² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51614847649) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 5022124 + ... + 5032390.

It is an arithmetic number, because the mean of its divisors is an integer number (3447568278).

Almost surely, 2^51614847619 is an apocalyptic number.

51614847619 is a deficient number, since it is larger than the sum of its proper divisors (3546244829).

51614847619 is a wasteful number, since it uses less digits than its factorization.

51614847619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13014.

The product of its digits is 1451520, while the sum is 52.

The spelling of 51614847619 in words is "fifty-one billion, six hundred fourteen million, eight hundred forty-seven thousand, six hundred nineteen".