368893021019 has 2 divisors, whose sum is σ = 368893021020. Its totient is φ = 368893021018.

The previous prime is 368893020949. The next prime is 368893021067. The reversal of 368893021019 is 910120398863.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-368893021019 is a prime.

It is a super-2 number, since 2×368893021019² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (368893021099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 184446510509 + 184446510510.

It is an arithmetic number, because the mean of its divisors is an integer number (184446510510).

Almost surely, 2^368893021019 is an apocalyptic number.

368893021019 is a deficient number, since it is larger than the sum of its proper divisors (1).

368893021019 is an equidigital number, since it uses as much as digits as its factorization.

368893021019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 559872, while the sum is 50.

The spelling of 368893021019 in words is "three hundred sixty-eight billion, eight hundred ninety-three million, twenty-one thousand, nineteen".