90947369242739 has 2 divisors, whose sum is σ = 90947369242740. Its totient is φ = 90947369242738.

The previous prime is 90947369242727. The next prime is 90947369242759. The reversal of 90947369242739 is 93724296374909.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90947369242739 - 2¹² = 90947369238643 is a prime.

It is not a weakly prime, because it can be changed into another prime (90947369242759) 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, 45473684621369 + 45473684621370.

It is an arithmetic number, because the mean of its divisors is an integer number (45473684621370).

Almost surely, 2^{90947369242739} is an apocalyptic number.

90947369242739 is a deficient number, since it is larger than the sum of its proper divisors (1).

90947369242739 is an equidigital number, since it uses as much as digits as its factorization.

90947369242739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1111065984, while the sum is 74.

The spelling of 90947369242739 in words is "ninety trillion, nine hundred forty-seven billion, three hundred sixty-nine million, two hundred forty-two thousand, seven hundred thirty-nine".