8913620741 has 2 divisors, whose sum is σ = 8913620742. Its totient is φ = 8913620740.

The previous prime is 8913620731. The next prime is 8913620747. The reversal of 8913620741 is 1470263198.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8303036641 + 610584100 = 91121^2 + 24710^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8913620741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8913620747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4456810370 + 4456810371.

It is an arithmetic number, because the mean of its divisors is an integer number (4456810371).

Almost surely, 2^8913620741 is an apocalyptic number.

It is an amenable number.

8913620741 is a deficient number, since it is larger than the sum of its proper divisors (1).

8913620741 is an equidigital number, since it uses as much as digits as its factorization.

8913620741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 8913620741 is about 94411.9735044237. The cubic root of 8913620741 is about 2073.4077486246.

The spelling of 8913620741 in words is "eight billion, nine hundred thirteen million, six hundred twenty thousand, seven hundred forty-one".