745463505499 has 4 divisors (see below), whose sum is σ = 762799866136. Its totient is φ = 728127144864.

The previous prime is 745463505469. The next prime is 745463505547. The reversal of 745463505499 is 994505364547.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 994505364547 = 126461 ⋅7864127.

It is a cyclic number.

It is not a de Polignac number, because 745463505499 - 2¹⁵ = 745463472731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (745463505469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8668180254 + ... + 8668180339.

It is an arithmetic number, because the mean of its divisors is an integer number (190699966534).

Almost surely, 2^745463505499 is an apocalyptic number.

745463505499 is a deficient number, since it is larger than the sum of its proper divisors (17336360637).

745463505499 is a wasteful number, since it uses less digits than its factorization.

745463505499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17336360636.

The product of its (nonzero) digits is 81648000, while the sum is 61.

The spelling of 745463505499 in words is "seven hundred forty-five billion, four hundred sixty-three million, five hundred five thousand, four hundred ninety-nine".