2938009002491 has 4 divisors (see below), whose sum is σ = 2968297755192. Its totient is φ = 2907720249792.

The previous prime is 2938009002469. The next prime is 2938009002499. The reversal of 2938009002491 is 1942009008392.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2938009002491 - 2²² = 2938004808187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2938009002499) 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, 15144376205 + ... + 15144376398.

It is an arithmetic number, because the mean of its divisors is an integer number (742074438798).

Almost surely, 2^{2938009002491} is an apocalyptic number.

2938009002491 is a deficient number, since it is larger than the sum of its proper divisors (30288752701).

2938009002491 is an equidigital number, since it uses as much as digits as its factorization.

2938009002491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30288752700.

The product of its (nonzero) digits is 279936, while the sum is 47.

The spelling of 2938009002491 in words is "two trillion, nine hundred thirty-eight billion, nine million, two thousand, four hundred ninety-one".