3798107561 has 2 divisors, whose sum is σ = 3798107562. Its totient is φ = 3798107560.

The previous prime is 3798107549. The next prime is 3798107587. The reversal of 3798107561 is 1657018973.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3775488025 + 22619536 = 61445^2 + 4756^2 .

It is a cyclic number.

It is not a de Polignac number, because 3798107561 - 2¹⁸ = 3797845417 is a prime.

It is not a weakly prime, because it can be changed into another prime (3798107161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1899053780 + 1899053781.

It is an arithmetic number, because the mean of its divisors is an integer number (1899053781).

Almost surely, 2^3798107561 is an apocalyptic number.

It is an amenable number.

3798107561 is a deficient number, since it is larger than the sum of its proper divisors (1).

3798107561 is an equidigital number, since it uses as much as digits as its factorization.

3798107561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 317520, while the sum is 47.

The square root of 3798107561 is about 61628.7884109367. The cubic root of 3798107561 is about 1560.2316608902.

The spelling of 3798107561 in words is "three billion, seven hundred ninety-eight million, one hundred seven thousand, five hundred sixty-one".