90151544941 has 2 divisors, whose sum is σ = 90151544942. Its totient is φ = 90151544940.

The previous prime is 90151544909. The next prime is 90151545017. The reversal of 90151544941 is 14944515109.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75402414025 + 14749130916 = 274595^2 + 121446^2 .

It is a cyclic number.

It is not a de Polignac number, because 90151544941 - 2⁵ = 90151544909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90151545941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45075772470 + 45075772471.

It is an arithmetic number, because the mean of its divisors is an integer number (45075772471).

Almost surely, 2^90151544941 is an apocalyptic number.

It is an amenable number.

90151544941 is a deficient number, since it is larger than the sum of its proper divisors (1).

90151544941 is an equidigital number, since it uses as much as digits as its factorization.

90151544941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 43.

The spelling of 90151544941 in words is "ninety billion, one hundred fifty-one million, five hundred forty-four thousand, nine hundred forty-one".