51651413770 has 32 divisors (see below), whose sum is σ = 102646595520. Its totient is φ = 18556035840.

The previous prime is 51651413761. The next prime is 51651413777. The reversal of 51651413770 is 7731415615.

It is a super-2 number, since 2×51651413770² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51651413777) 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, 2819535 + ... + 2837794.

It is an arithmetic number, because the mean of its divisors is an integer number (3207706110).

Almost surely, 2^51651413770 is an apocalyptic number.

51651413770 is a deficient number, since it is larger than the sum of its proper divisors (50995181750).

51651413770 is a wasteful number, since it uses less digits than its factorization.

51651413770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5657430.

The product of its (nonzero) digits is 88200, while the sum is 40.

The spelling of 51651413770 in words is "fifty-one billion, six hundred fifty-one million, four hundred thirteen thousand, seven hundred seventy".