414444689623 has 2 divisors, whose sum is σ = 414444689624. Its totient is φ = 414444689622.

The previous prime is 414444689621. The next prime is 414444689639. The reversal of 414444689623 is 326986444414.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 414444689623 - 2¹ = 414444689621 is a prime.

Together with 414444689621, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (414444689621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 207222344811 + 207222344812.

It is an arithmetic number, because the mean of its divisors is an integer number (207222344812).

Almost surely, 2^414444689623 is an apocalyptic number.

414444689623 is a deficient number, since it is larger than the sum of its proper divisors (1).

414444689623 is an equidigital number, since it uses as much as digits as its factorization.

414444689623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15925248, while the sum is 55.

The spelling of 414444689623 in words is "four hundred fourteen billion, four hundred forty-four million, six hundred eighty-nine thousand, six hundred twenty-three".