90063808243 has 2 divisors, whose sum is σ = 90063808244. Its totient is φ = 90063808242.

The previous prime is 90063808217. The next prime is 90063808259. The reversal of 90063808243 is 34280836009.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90063808243 - 2¹³ = 90063800051 is a prime.

It is a super-2 number, since 2×90063808243² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 90063808243.

It is not a weakly prime, because it can be changed into another prime (90063808943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45031904121 + 45031904122.

It is an arithmetic number, because the mean of its divisors is an integer number (45031904122).

Almost surely, 2^90063808243 is an apocalyptic number.

90063808243 is a deficient number, since it is larger than the sum of its proper divisors (1).

90063808243 is an equidigital number, since it uses as much as digits as its factorization.

90063808243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 43.

The spelling of 90063808243 in words is "ninety billion, sixty-three million, eight hundred eight thousand, two hundred forty-three".