420112514717647 has 2 divisors, whose sum is σ = 420112514717648. Its totient is φ = 420112514717646.

The previous prime is 420112514717617. The next prime is 420112514717773. The reversal of 420112514717647 is 746717415211024.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-420112514717647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 420112514717594 and 420112514717603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420112514717617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210056257358823 + 210056257358824.

It is an arithmetic number, because the mean of its divisors is an integer number (210056257358824).

Almost surely, 2^{420112514717647} is an apocalyptic number.

420112514717647 is a deficient number, since it is larger than the sum of its proper divisors (1).

420112514717647 is an equidigital number, since it uses as much as digits as its factorization.

420112514717647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2634240, while the sum is 52.

The spelling of 420112514717647 in words is "four hundred twenty trillion, one hundred twelve billion, five hundred fourteen million, seven hundred seventeen thousand, six hundred forty-seven".