4131069961 has 2 divisors, whose sum is σ = 4131069962. Its totient is φ = 4131069960.

The previous prime is 4131069953. The next prime is 4131069973. The reversal of 4131069961 is 1699601314.

It is a happy number.

4131069961 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2578709961 + 1552360000 = 50781^2 + 39400^2 .

It is a cyclic number.

It is not a de Polignac number, because 4131069961 - 2³ = 4131069953 is a prime.

It is not a weakly prime, because it can be changed into another prime (4131069911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2065534980 + 2065534981.

It is an arithmetic number, because the mean of its divisors is an integer number (2065534981).

Almost surely, 2^4131069961 is an apocalyptic number.

It is an amenable number.

4131069961 is a deficient number, since it is larger than the sum of its proper divisors (1).

4131069961 is an equidigital number, since it uses as much as digits as its factorization.

4131069961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 4131069961 is about 64273.4001045534. The cubic root of 4131069961 is about 1604.5534302993.

The spelling of 4131069961 in words is "four billion, one hundred thirty-one million, sixty-nine thousand, nine hundred sixty-one".