51342281641 has 8 divisors (see below), whose sum is σ = 59336184960. Its totient is φ = 43513201248.

The previous prime is 51342281629. The next prime is 51342281651. The reversal of 51342281641 is 14618224315.

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 51342281641 - 2¹⁵ = 51342248873 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 51342281641.

It is not an unprimeable number, because it can be changed into a prime (51342281651) 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, 41205061 + ... + 41206306.

It is an arithmetic number, because the mean of its divisors is an integer number (7417023120).

Almost surely, 2^51342281641 is an apocalyptic number.

It is an amenable number.

51342281641 is a deficient number, since it is larger than the sum of its proper divisors (7993903319).

51342281641 is an equidigital number, since it uses as much as digits as its factorization.

51342281641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82411463.

The product of its digits is 46080, while the sum is 37.

The spelling of 51342281641 in words is "fifty-one billion, three hundred forty-two million, two hundred eighty-one thousand, six hundred forty-one".