109290565321 has 4 divisors (see below), whose sum is σ = 124903503232. Its totient is φ = 93677627412.

The previous prime is 109290565309. The next prime is 109290565339. The reversal of 109290565321 is 123565092901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 109290565321 - 2³¹ = 107143081673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109290565421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7806468945 + ... + 7806468958.

It is an arithmetic number, because the mean of its divisors is an integer number (31225875808).

Almost surely, 2^109290565321 is an apocalyptic number.

It is an amenable number.

109290565321 is a deficient number, since it is larger than the sum of its proper divisors (15612937911).

109290565321 is an equidigital number, since it uses as much as digits as its factorization.

109290565321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15612937910.

The product of its (nonzero) digits is 145800, while the sum is 43.

The spelling of 109290565321 in words is "one hundred nine billion, two hundred ninety million, five hundred sixty-five thousand, three hundred twenty-one".