5090428661 has 4 divisors (see below), whose sum is σ = 5228007852. Its totient is φ = 4952849472.

The previous prime is 5090428657. The next prime is 5090428697. The reversal of 5090428661 is 1668240905.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4691428036 + 399000625 = 68494^2 + 19975^2 .

It is a cyclic number.

It is not a de Polignac number, because 5090428661 - 2² = 5090428657 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5090428631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68789540 + ... + 68789613.

It is an arithmetic number, because the mean of its divisors is an integer number (1307001963).

Almost surely, 2^5090428661 is an apocalyptic number.

It is an amenable number.

5090428661 is a deficient number, since it is larger than the sum of its proper divisors (137579191).

5090428661 is a wasteful number, since it uses less digits than its factorization.

5090428661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137579190.

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

The square root of 5090428661 is about 71347.2400377197. The cubic root of 5090428661 is about 1720.2231390917.

The spelling of 5090428661 in words is "five billion, ninety million, four hundred twenty-eight thousand, six hundred sixty-one".