43090945299 has 12 divisors (see below), whose sum is σ = 64547753816. Its totient is φ = 28727296704.

The previous prime is 43090945297. The next prime is 43090945309. The reversal of 43090945299 is 99254909034.

43090945299 is a `hidden beast` number, since 4 + 309 + 0 + 9 + 45 + 299 = 666.

It is not a de Polignac number, because 43090945299 - 2¹ = 43090945297 is a prime.

It is a super-2 number, since 2×43090945299² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43090945297) 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, 88664254 + ... + 88664739.

Almost surely, 2^43090945299 is an apocalyptic number.

43090945299 is a deficient number, since it is larger than the sum of its proper divisors (21456808517).

43090945299 is an equidigital number, since it uses as much as digits as its factorization.

43090945299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177329008 (or 177328996 counting only the distinct ones).

The product of its (nonzero) digits is 3149280, while the sum is 54.

The spelling of 43090945299 in words is "forty-three billion, ninety million, nine hundred forty-five thousand, two hundred ninety-nine".