51451431652043 has 16 divisors (see below), whose sum is σ = 54332070740640. Its totient is φ = 48658294828800.

The previous prime is 51451431652039. The next prime is 51451431652057. The reversal of 51451431652043 is 34025613415415.

It is a cyclic number.

It is not a de Polignac number, because 51451431652043 - 2² = 51451431652039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51451431651985 and 51451431652003.

It is not an unprimeable number, because it can be changed into a prime (51451431652843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62633873 + ... + 63450018.

It is an arithmetic number, because the mean of its divisors is an integer number (3395754421290).

Almost surely, 2^{51451431652043} is an apocalyptic number.

51451431652043 is a deficient number, since it is larger than the sum of its proper divisors (2880639088597).

51451431652043 is a wasteful number, since it uses less digits than its factorization.

51451431652043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126084238.

The product of its (nonzero) digits is 864000, while the sum is 44.

The spelling of 51451431652043 in words is "fifty-one trillion, four hundred fifty-one billion, four hundred thirty-one million, six hundred fifty-two thousand, forty-three".