90948472739 has 2 divisors, whose sum is σ = 90948472740. Its totient is φ = 90948472738.

The previous prime is 90948472717. The next prime is 90948472807. The reversal of 90948472739 is 93727484909.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90948472739 - 2²⁴ = 90931695523 is a prime.

It is not a weakly prime, because it can be changed into another prime (90948472339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45474236369 + 45474236370.

It is an arithmetic number, because the mean of its divisors is an integer number (45474236370).

Almost surely, 2^90948472739 is an apocalyptic number.

90948472739 is a deficient number, since it is larger than the sum of its proper divisors (1).

90948472739 is an equidigital number, since it uses as much as digits as its factorization.

90948472739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27433728, while the sum is 62.

The spelling of 90948472739 in words is "ninety billion, nine hundred forty-eight million, four hundred seventy-two thousand, seven hundred thirty-nine".