51342238351 has 8 divisors (see below), whose sum is σ = 51655603104. Its totient is φ = 51028944480.

The previous prime is 51342238289. The next prime is 51342238403. The reversal of 51342238351 is 15383224315.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 51342238351 - 2¹¹ = 51342236303 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51342238351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51342238751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2617641 + ... + 2637181.

It is an arithmetic number, because the mean of its divisors is an integer number (6456950388).

Almost surely, 2^51342238351 is an apocalyptic number.

51342238351 is a deficient number, since it is larger than the sum of its proper divisors (313364753).

51342238351 is a wasteful number, since it uses less digits than its factorization.

51342238351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35441.

The product of its digits is 86400, while the sum is 37.

The spelling of 51342238351 in words is "fifty-one billion, three hundred forty-two million, two hundred thirty-eight thousand, three hundred fifty-one".