9040435213 has 2 divisors, whose sum is σ = 9040435214. Its totient is φ = 9040435212.

The previous prime is 9040435199. The next prime is 9040435237. The reversal of 9040435213 is 3125340409.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5138309124 + 3902126089 = 71682^2 + 62467^2 .

It is a cyclic number.

It is not a de Polignac number, because 9040435213 - 2⁵ = 9040435181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9040435013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4520217606 + 4520217607.

It is an arithmetic number, because the mean of its divisors is an integer number (4520217607).

Almost surely, 2^9040435213 is an apocalyptic number.

It is an amenable number.

9040435213 is a deficient number, since it is larger than the sum of its proper divisors (1).

9040435213 is an equidigital number, since it uses as much as digits as its factorization.

9040435213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 9040435213 is about 95081.2032580573. The cubic root of 9040435213 is about 2083.1943039695.

The spelling of 9040435213 in words is "nine billion, forty million, four hundred thirty-five thousand, two hundred thirteen".