90472795429 has 2 divisors, whose sum is σ = 90472795430. Its totient is φ = 90472795428.

The previous prime is 90472795409. The next prime is 90472795433. The reversal of 90472795429 is 92459727409.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89081356225 + 1391439204 = 298465^2 + 37302^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90472795429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90472795409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45236397714 + 45236397715.

It is an arithmetic number, because the mean of its divisors is an integer number (45236397715).

Almost surely, 2^90472795429 is an apocalyptic number.

It is an amenable number.

90472795429 is a deficient number, since it is larger than the sum of its proper divisors (1).

90472795429 is an equidigital number, since it uses as much as digits as its factorization.

90472795429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11430720, while the sum is 58.

The spelling of 90472795429 in words is "ninety billion, four hundred seventy-two million, seven hundred ninety-five thousand, four hundred twenty-nine".