356622947819 has 2 divisors, whose sum is σ = 356622947820. Its totient is φ = 356622947818.

The previous prime is 356622947777. The next prime is 356622947867. The reversal of 356622947819 is 918749226653.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-356622947819 is a prime.

It is a super-2 number, since 2×356622947819² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (356622947419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 178311473909 + 178311473910.

It is an arithmetic number, because the mean of its divisors is an integer number (178311473910).

Almost surely, 2^356622947819 is an apocalyptic number.

356622947819 is a deficient number, since it is larger than the sum of its proper divisors (1).

356622947819 is an equidigital number, since it uses as much as digits as its factorization.

356622947819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 39191040, while the sum is 62.

The spelling of 356622947819 in words is "three hundred fifty-six billion, six hundred twenty-two million, nine hundred forty-seven thousand, eight hundred nineteen".