345073163809 has 12 divisors (see below), whose sum is σ = 383205569572. Its totient is φ = 310468815360.

The previous prime is 345073163779. The next prime is 345073163839. The reversal of 345073163809 is 908361370543.

It is an interprime number because it is at equal distance from previous prime (345073163779) and next prime (345073163839).

It can be written as a sum of positive squares in 2 ways, for example, as 105979547025 + 239093616784 = 325545^2 + 488972^2 .

It is not a de Polignac number, because 345073163809 - 2¹¹ = 345073161761 is a prime.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345073163839) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14688492 + ... + 14711965.

Almost surely, 2^345073163809 is an apocalyptic number.

It is an amenable number.

345073163809 is a deficient number, since it is larger than the sum of its proper divisors (38132405763).

345073163809 is a wasteful number, since it uses less digits than its factorization.

345073163809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29400576 (or 29400565 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 49.

The spelling of 345073163809 in words is "three hundred forty-five billion, seventy-three million, one hundred sixty-three thousand, eight hundred nine".