1045465663599 has 18 divisors (see below), whose sum is σ = 1756666796040. Its totient is φ = 597408950376.

The previous prime is 1045465663589. The next prime is 1045465663661. The reversal of 1045465663599 is 9953665645401.

1045465663599 is a `hidden beast` number, since 1 + 0 + 4 + 546 + 56 + 6 + 35 + 9 + 9 = 666.

It is not a de Polignac number, because 1045465663599 - 2⁹ = 1045465663087 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045465663549) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1185334779 + ... + 1185335660.

It is an arithmetic number, because the mean of its divisors is an integer number (97592599780).

Almost surely, 2^{1045465663599} is an apocalyptic number.

1045465663599 is a deficient number, since it is larger than the sum of its proper divisors (711201132441).

1045465663599 is a wasteful number, since it uses less digits than its factorization.

1045465663599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2370670459 (or 2370670449 counting only the distinct ones).

The product of its (nonzero) digits is 104976000, while the sum is 63.

The spelling of 1045465663599 in words is "one trillion, forty-five billion, four hundred sixty-five million, six hundred sixty-three thousand, five hundred ninety-nine".