5023858661 has 2 divisors, whose sum is σ = 5023858662. Its totient is φ = 5023858660.

The previous prime is 5023858621. The next prime is 5023858687. The reversal of 5023858661 is 1668583205.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4106374561 + 917484100 = 64081^2 + 30290^2 .

It is a cyclic number.

It is not a de Polignac number, because 5023858661 - 2³⁰ = 3950116837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5023858621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2511929330 + 2511929331.

It is an arithmetic number, because the mean of its divisors is an integer number (2511929331).

Almost surely, 2^5023858661 is an apocalyptic number.

It is an amenable number.

5023858661 is a deficient number, since it is larger than the sum of its proper divisors (1).

5023858661 is an equidigital number, since it uses as much as digits as its factorization.

5023858661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 345600, while the sum is 44.

The square root of 5023858661 is about 70879.1835520134. The cubic root of 5023858661 is about 1712.6914810736.

The spelling of 5023858661 in words is "five billion, twenty-three million, eight hundred fifty-eight thousand, six hundred sixty-one".