2049570461 has 2 divisors, whose sum is σ = 2049570462. Its totient is φ = 2049570460.

The previous prime is 2049570431. The next prime is 2049570469. The reversal of 2049570461 is 1640759402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1677312025 + 372258436 = 40955^2 + 19294^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2049570461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2049570469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1024785230 + 1024785231.

It is an arithmetic number, because the mean of its divisors is an integer number (1024785231).

Almost surely, 2^2049570461 is an apocalyptic number.

It is an amenable number.

2049570461 is a deficient number, since it is larger than the sum of its proper divisors (1).

2049570461 is an equidigital number, since it uses as much as digits as its factorization.

2049570461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 2049570461 is about 45272.1819774572. The cubic root of 2049570461 is about 1270.2453616910.

The spelling of 2049570461 in words is "two billion, forty-nine million, five hundred seventy thousand, four hundred sixty-one".