611695813793 has 2 divisors, whose sum is σ = 611695813794. Its totient is φ = 611695813792.

The previous prime is 611695813727. The next prime is 611695813931. The reversal of 611695813793 is 397318596116.

611695813793 is digitally balanced in base 2, 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., 602840439184 + 8855374609 = 776428^2 + 94103^2 .

It is a cyclic number.

It is not a de Polignac number, because 611695813793 - 2⁸ = 611695813537 is a prime.

It is a super-2 number, since 2×611695813793² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (611695813193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305847906896 + 305847906897.

It is an arithmetic number, because the mean of its divisors is an integer number (305847906897).

Almost surely, 2^611695813793 is an apocalyptic number.

It is an amenable number.

611695813793 is a deficient number, since it is larger than the sum of its proper divisors (1).

611695813793 is an equidigital number, since it uses as much as digits as its factorization.

611695813793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7348320, while the sum is 59.

The spelling of 611695813793 in words is "six hundred eleven billion, six hundred ninety-five million, eight hundred thirteen thousand, seven hundred ninety-three".