2663435564545 has 64 divisors (see below), whose sum is σ = 3743953145856. Its totient is φ = 1781438480640.

The previous prime is 2663435564507. The next prime is 2663435564551. The reversal of 2663435564545 is 5454655343662.

It is a de Polignac number, because none of the positive numbers 2^k-2663435564545 is a prime.

It is a super-2 number, since 2×2663435564545² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2663435564545.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 74951572 + ... + 74987098.

It is an arithmetic number, because the mean of its divisors is an integer number (58499267904).

Almost surely, 2^{2663435564545} is an apocalyptic number.

It is an amenable number.

2663435564545 is a deficient number, since it is larger than the sum of its proper divisors (1080517581311).

2663435564545 is a wasteful number, since it uses less digits than its factorization.

2663435564545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35950.

The product of its digits is 155520000, while the sum is 58.

The spelling of 2663435564545 in words is "two trillion, six hundred sixty-three billion, four hundred thirty-five million, five hundred sixty-four thousand, five hundred forty-five".