2890930392309 has 4 divisors (see below), whose sum is σ = 3854573856416. Its totient is φ = 1927286928204.

The previous prime is 2890930392307. The next prime is 2890930392313. The reversal of 2890930392309 is 9032930390982.

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 not a de Polignac number, because 2890930392309 - 2¹ = 2890930392307 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2890930392307) 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, 481821732049 + ... + 481821732054.

It is an arithmetic number, because the mean of its divisors is an integer number (963643464104).

Almost surely, 2^{2890930392309} is an apocalyptic number.

It is an amenable number.

2890930392309 is a deficient number, since it is larger than the sum of its proper divisors (963643464107).

2890930392309 is an equidigital number, since it uses as much as digits as its factorization.

2890930392309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963643464106.

The product of its (nonzero) digits is 5668704, while the sum is 57.

The spelling of 2890930392309 in words is "two trillion, eight hundred ninety billion, nine hundred thirty million, three hundred ninety-two thousand, three hundred nine".