623596180819 has 2 divisors, whose sum is σ = 623596180820. Its totient is φ = 623596180818.

The previous prime is 623596180817. The next prime is 623596180841. The reversal of 623596180819 is 918081695326.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 623596180819 - 2¹ = 623596180817 is a prime.

It is a super-2 number, since 2×623596180819² (a number of 24 digits) contains 22 as substring.

Together with 623596180817, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (623596180817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311798090409 + 311798090410.

It is an arithmetic number, because the mean of its divisors is an integer number (311798090410).

Almost surely, 2^623596180819 is an apocalyptic number.

623596180819 is a deficient number, since it is larger than the sum of its proper divisors (1).

623596180819 is an equidigital number, since it uses as much as digits as its factorization.

623596180819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5598720, while the sum is 58.

The spelling of 623596180819 in words is "six hundred twenty-three billion, five hundred ninety-six million, one hundred eighty thousand, eight hundred nineteen".