611401203593 has 2 divisors, whose sum is σ = 611401203594. Its totient is φ = 611401203592.

The previous prime is 611401203541. The next prime is 611401203631. The reversal of 611401203593 is 395302104116.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 610786014784 + 615188809 = 781528^2 + 24803^2 .

It is a cyclic number.

It is not a de Polignac number, because 611401203593 - 2⁸ = 611401203337 is a prime.

It is a super-2 number, since 2×611401203593² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (611401203503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305700601796 + 305700601797.

It is an arithmetic number, because the mean of its divisors is an integer number (305700601797).

Almost surely, 2^611401203593 is an apocalyptic number.

It is an amenable number.

611401203593 is a deficient number, since it is larger than the sum of its proper divisors (1).

611401203593 is an equidigital number, since it uses as much as digits as its factorization.

611401203593 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 35.

The spelling of 611401203593 in words is "six hundred eleven billion, four hundred one million, two hundred three thousand, five hundred ninety-three".