90907002029 has 2 divisors, whose sum is σ = 90907002030. Its totient is φ = 90907002028.

The previous prime is 90907001987. The next prime is 90907002049. The reversal of 90907002029 is 92020070909.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82827688804 + 8079313225 = 287798^2 + 89885^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90907002029 is a prime.

It is a super-2 number, since 2×90907002029² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 90907001983 and 90907002001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90907002049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45453501014 + 45453501015.

It is an arithmetic number, because the mean of its divisors is an integer number (45453501015).

Almost surely, 2^90907002029 is an apocalyptic number.

It is an amenable number.

90907002029 is a deficient number, since it is larger than the sum of its proper divisors (1).

90907002029 is an equidigital number, since it uses as much as digits as its factorization.

90907002029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 38.

The spelling of 90907002029 in words is "ninety billion, nine hundred seven million, two thousand, twenty-nine".