920663413 has 2 divisors, whose sum is σ = 920663414. Its totient is φ = 920663412.

The previous prime is 920663383. The next prime is 920663467. The reversal of 920663413 is 314366029.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 793379889 + 127283524 = 28167^2 + 11282^2 .

It is an emirp because it is prime and its reverse (314366029) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-920663413 is a prime.

It is a super-2 number, since 2×920663413² = 1695242240073617138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (920664413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 460331706 + 460331707.

It is an arithmetic number, because the mean of its divisors is an integer number (460331707).

Almost surely, 2^920663413 is an apocalyptic number.

It is an amenable number.

920663413 is a deficient number, since it is larger than the sum of its proper divisors (1).

920663413 is an equidigital number, since it uses as much as digits as its factorization.

920663413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 920663413 is about 30342.4358448691. The cubic root of 920663413 is about 972.8225483353.

The spelling of 920663413 in words is "nine hundred twenty million, six hundred sixty-three thousand, four hundred thirteen".