8045691413 has 2 divisors, whose sum is σ = 8045691414. Its totient is φ = 8045691412.

The previous prime is 8045691397. The next prime is 8045691491. The reversal of 8045691413 is 3141965408.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4076439409 + 3969252004 = 63847^2 + 63002^2 .

It is a cyclic number.

It is not a de Polignac number, because 8045691413 - 2⁴ = 8045691397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8045691713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4022845706 + 4022845707.

It is an arithmetic number, because the mean of its divisors is an integer number (4022845707).

Almost surely, 2^8045691413 is an apocalyptic number.

It is an amenable number.

8045691413 is a deficient number, since it is larger than the sum of its proper divisors (1).

8045691413 is an equidigital number, since it uses as much as digits as its factorization.

8045691413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 8045691413 is about 89697.7781943343. The cubic root of 8045691413 is about 2003.8003916874.

The spelling of 8045691413 in words is "eight billion, forty-five million, six hundred ninety-one thousand, four hundred thirteen".