4119687961 has 2 divisors, whose sum is σ = 4119687962. Its totient is φ = 4119687960.

The previous prime is 4119687947. The next prime is 4119687997. The reversal of 4119687961 is 1697869114.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2405313936 + 1714374025 = 49044^2 + 41405^2 .

It is a cyclic number.

It is not a de Polignac number, because 4119687961 - 2²¹ = 4117590809 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4119687899 and 4119687908.

It is not a weakly prime, because it can be changed into another prime (4119687361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2059843980 + 2059843981.

It is an arithmetic number, because the mean of its divisors is an integer number (2059843981).

Almost surely, 2^4119687961 is an apocalyptic number.

It is an amenable number.

4119687961 is a deficient number, since it is larger than the sum of its proper divisors (1).

4119687961 is an equidigital number, since it uses as much as digits as its factorization.

4119687961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 52.

The square root of 4119687961 is about 64184.7954035845. The cubic root of 4119687961 is about 1603.0784431157.

The spelling of 4119687961 in words is "four billion, one hundred nineteen million, six hundred eighty-seven thousand, nine hundred sixty-one".