90720630512353 has 2 divisors, whose sum is σ = 90720630512354. Its totient is φ = 90720630512352.

The previous prime is 90720630512333. The next prime is 90720630512357. The reversal of 90720630512353 is 35321503602709.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70677531302049 + 20043099210304 = 8406993^2 + 4476952^2 .

It is an emirp because it is prime and its reverse (35321503602709) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90720630512353 - 2³³ = 90712040577761 is a prime.

It is not a weakly prime, because it can be changed into another prime (90720630512357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45360315256176 + 45360315256177.

It is an arithmetic number, because the mean of its divisors is an integer number (45360315256177).

Almost surely, 2^{90720630512353} is an apocalyptic number.

It is an amenable number.

90720630512353 is a deficient number, since it is larger than the sum of its proper divisors (1).

90720630512353 is an equidigital number, since it uses as much as digits as its factorization.

90720630512353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1020600, while the sum is 46.

The spelling of 90720630512353 in words is "ninety trillion, seven hundred twenty billion, six hundred thirty million, five hundred twelve thousand, three hundred fifty-three".