1611495463 has 2 divisors, whose sum is σ = 1611495464. Its totient is φ = 1611495462.

The previous prime is 1611495427. The next prime is 1611495481. The reversal of 1611495463 is 3645941161.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1611495463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1611495763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 805747731 + 805747732.

It is an arithmetic number, because the mean of its divisors is an integer number (805747732).

Almost surely, 2^1611495463 is an apocalyptic number.

1611495463 is a deficient number, since it is larger than the sum of its proper divisors (1).

1611495463 is an equidigital number, since it uses as much as digits as its factorization.

1611495463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 40.

The square root of 1611495463 is about 40143.4361135167. The cubic root of 1611495463 is about 1172.4014918081.

The spelling of 1611495463 in words is "one billion, six hundred eleven million, four hundred ninety-five thousand, four hundred sixty-three".