299252478505 has 8 divisors (see below), whose sum is σ = 359106095232. Its totient is φ = 239399902128.

The previous prime is 299252478407. The next prime is 299252478559. The reversal of 299252478505 is 505874252992.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 299252478505 - 2²⁵ = 299218924073 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 299252478505.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 684832 + ... + 1033198.

It is an arithmetic number, because the mean of its divisors is an integer number (44888261904).

Almost surely, 2^299252478505 is an apocalyptic number.

It is an amenable number.

299252478505 is a deficient number, since it is larger than the sum of its proper divisors (59853616727).

299252478505 is a wasteful number, since it uses less digits than its factorization.

299252478505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520175.

The product of its (nonzero) digits is 18144000, while the sum is 58.

The spelling of 299252478505 in words is "two hundred ninety-nine billion, two hundred fifty-two million, four hundred seventy-eight thousand, five hundred five".