51438132335 has 8 divisors (see below), whose sum is σ = 61838606256. Its totient is φ = 41075274240.

The previous prime is 51438132287. The next prime is 51438132367. The reversal of 51438132335 is 53323183415.

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

It is not a de Polignac number, because 51438132335 - 2⁸ = 51438132079 is a prime.

It is a super-2 number, since 2×51438132335² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9400946 + ... + 9406415.

It is an arithmetic number, because the mean of its divisors is an integer number (7729825782).

Almost surely, 2^51438132335 is an apocalyptic number.

51438132335 is a deficient number, since it is larger than the sum of its proper divisors (10400473921).

51438132335 is a wasteful number, since it uses less digits than its factorization.

51438132335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18807913.

The product of its digits is 129600, while the sum is 38.

The spelling of 51438132335 in words is "fifty-one billion, four hundred thirty-eight million, one hundred thirty-two thousand, three hundred thirty-five".