6431190061 has 2 divisors, whose sum is σ = 6431190062. Its totient is φ = 6431190060.

The previous prime is 6431190043. The next prime is 6431190079. The reversal of 6431190061 is 1600911346.

It is a balanced prime because it is at equal distance from previous prime (6431190043) and next prime (6431190079).

It can be written as a sum of positive squares in only one way, i.e., 6344122500 + 87067561 = 79650^2 + 9331^2 .

It is a cyclic number.

It is not a de Polignac number, because 6431190061 - 2²⁹ = 5894319149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6431190361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3215595030 + 3215595031.

It is an arithmetic number, because the mean of its divisors is an integer number (3215595031).

Almost surely, 2^6431190061 is an apocalyptic number.

It is an amenable number.

6431190061 is a deficient number, since it is larger than the sum of its proper divisors (1).

6431190061 is an equidigital number, since it uses as much as digits as its factorization.

6431190061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 6431190061 is about 80194.7009533672. The cubic root of 6431190061 is about 1859.6467187553.

The spelling of 6431190061 in words is "six billion, four hundred thirty-one million, one hundred ninety thousand, sixty-one".