610387840771 has 2 divisors, whose sum is σ = 610387840772. Its totient is φ = 610387840770.

The previous prime is 610387840739. The next prime is 610387840781. The reversal of 610387840771 is 177048783016.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 610387840771 - 2⁵ = 610387840739 is a prime.

It is a super-2 number, since 2×610387840771² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (610387840721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305193920385 + 305193920386.

It is an arithmetic number, because the mean of its divisors is an integer number (305193920386).

Almost surely, 2^610387840771 is an apocalyptic number.

610387840771 is a deficient number, since it is larger than the sum of its proper divisors (1).

610387840771 is an equidigital number, since it uses as much as digits as its factorization.

610387840771 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1580544, while the sum is 52.

The spelling of 610387840771 in words is "six hundred ten billion, three hundred eighty-seven million, eight hundred forty thousand, seven hundred seventy-one".