5015743661 has 2 divisors, whose sum is σ = 5015743662. Its totient is φ = 5015743660.

The previous prime is 5015743639. The next prime is 5015743679. The reversal of 5015743661 is 1663475105.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3927403561 + 1088340100 = 62669^2 + 32990^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5015743661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5015743961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2507871830 + 2507871831.

It is an arithmetic number, because the mean of its divisors is an integer number (2507871831).

Almost surely, 2^5015743661 is an apocalyptic number.

It is an amenable number.

5015743661 is a deficient number, since it is larger than the sum of its proper divisors (1).

5015743661 is an equidigital number, since it uses as much as digits as its factorization.

5015743661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 5015743661 is about 70821.9151181327. The cubic root of 5015743661 is about 1711.7688183419.

The spelling of 5015743661 in words is "five billion, fifteen million, seven hundred forty-three thousand, six hundred sixty-one".