5045149961 has 2 divisors, whose sum is σ = 5045149962. Its totient is φ = 5045149960.

The previous prime is 5045149957. The next prime is 5045150029. The reversal of 5045149961 is 1699415405.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4030345225 + 1014804736 = 63485^2 + 31856^2 .

It is a cyclic number.

It is not a de Polignac number, because 5045149961 - 2² = 5045149957 is a prime.

It is not a weakly prime, because it can be changed into another prime (5045149951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2522574980 + 2522574981.

It is an arithmetic number, because the mean of its divisors is an integer number (2522574981).

Almost surely, 2^5045149961 is an apocalyptic number.

It is an amenable number.

5045149961 is a deficient number, since it is larger than the sum of its proper divisors (1).

5045149961 is an equidigital number, since it uses as much as digits as its factorization.

5045149961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 194400, while the sum is 44.

The square root of 5045149961 is about 71029.2190651143. The cubic root of 5045149961 is about 1715.1075545599.

The spelling of 5045149961 in words is "five billion, forty-five million, one hundred forty-nine thousand, nine hundred sixty-one".