418097623991 has 2 divisors, whose sum is σ = 418097623992. Its totient is φ = 418097623990.

The previous prime is 418097623981. The next prime is 418097624003. The reversal of 418097623991 is 199326790814.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-418097623991 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 418097623991.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (418097623901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209048811995 + 209048811996.

It is an arithmetic number, because the mean of its divisors is an integer number (209048811996).

Almost surely, 2^418097623991 is an apocalyptic number.

418097623991 is a deficient number, since it is larger than the sum of its proper divisors (1).

418097623991 is an equidigital number, since it uses as much as digits as its factorization.

418097623991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5878656, while the sum is 59.

The spelling of 418097623991 in words is "four hundred eighteen billion, ninety-seven million, six hundred twenty-three thousand, nine hundred ninety-one".