90193422346051 has 2 divisors, whose sum is σ = 90193422346052. Its totient is φ = 90193422346050.

The previous prime is 90193422346037. The next prime is 90193422346073. The reversal of 90193422346051 is 15064322439109.

It is a weak prime.

It is an emirp because it is prime and its reverse (15064322439109) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90193422346051 - 2²⁵ = 90193388791619 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 90193422345986 and 90193422346004.

It is not a weakly prime, because it can be changed into another prime (90193422346021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45096711173025 + 45096711173026.

It is an arithmetic number, because the mean of its divisors is an integer number (45096711173026).

Almost surely, 2^{90193422346051} is an apocalyptic number.

90193422346051 is a deficient number, since it is larger than the sum of its proper divisors (1).

90193422346051 is an equidigital number, since it uses as much as digits as its factorization.

90193422346051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1399680, while the sum is 49.

The spelling of 90193422346051 in words is "ninety trillion, one hundred ninety-three billion, four hundred twenty-two million, three hundred forty-six thousand, fifty-one".