610695140591 has 2 divisors, whose sum is σ = 610695140592. Its totient is φ = 610695140590.

The previous prime is 610695140579. The next prime is 610695140669. The reversal of 610695140591 is 195041596016.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 610695140591 - 2¹⁸ = 610694878447 is a prime.

It is a super-2 number, since 2×610695140591² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (610695142591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305347570295 + 305347570296.

It is an arithmetic number, because the mean of its divisors is an integer number (305347570296).

Almost surely, 2^610695140591 is an apocalyptic number.

610695140591 is a deficient number, since it is larger than the sum of its proper divisors (1).

610695140591 is an equidigital number, since it uses as much as digits as its factorization.

610695140591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 291600, while the sum is 47.

The spelling of 610695140591 in words is "six hundred ten billion, six hundred ninety-five million, one hundred forty thousand, five hundred ninety-one".