51454160430643 has 4 divisors (see below), whose sum is σ = 51466731693088. Its totient is φ = 51441589168200.

The previous prime is 51454160430613. The next prime is 51454160430653. The reversal of 51454160430643 is 34603406145415.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51454160430643 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51454160430593 and 51454160430602.

It is not an unprimeable number, because it can be changed into a prime (51454160430613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6285625083 + ... + 6285633268.

It is an arithmetic number, because the mean of its divisors is an integer number (12866682923272).

Almost surely, 2^{51454160430643} is an apocalyptic number.

51454160430643 is a deficient number, since it is larger than the sum of its proper divisors (12571262445).

51454160430643 is a wasteful number, since it uses less digits than its factorization.

51454160430643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12571262444.

The product of its (nonzero) digits is 2073600, while the sum is 46.

The spelling of 51454160430643 in words is "fifty-one trillion, four hundred fifty-four billion, one hundred sixty million, four hundred thirty thousand, six hundred forty-three".