611402665459 has 2 divisors, whose sum is σ = 611402665460. Its totient is φ = 611402665458.

The previous prime is 611402665429. The next prime is 611402665487. The reversal of 611402665459 is 954566204116.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 611402665459 - 2⁵ = 611402665427 is a prime.

It is not a weakly prime, because it can be changed into another prime (611402665429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305701332729 + 305701332730.

It is an arithmetic number, because the mean of its divisors is an integer number (305701332730).

Almost surely, 2^611402665459 is an apocalyptic number.

611402665459 is a deficient number, since it is larger than the sum of its proper divisors (1).

611402665459 is an equidigital number, since it uses as much as digits as its factorization.

611402665459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1555200, while the sum is 49.

The spelling of 611402665459 in words is "six hundred eleven billion, four hundred two million, six hundred sixty-five thousand, four hundred fifty-nine".