2093121939 has 16 divisors (see below), whose sum is σ = 2820088224. Its totient is φ = 1380825600.

The previous prime is 2093121929. The next prime is 2093121949. The reversal of 2093121939 is 9391213902.

It is an interprime number because it is at equal distance from previous prime (2093121929) and next prime (2093121949).

It is not a de Polignac number, because 2093121939 - 2⁵ = 2093121907 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2093121897 and 2093121906.

It is not an unprimeable number, because it can be changed into a prime (2093121929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219409 + ... + 228749.

It is an arithmetic number, because the mean of its divisors is an integer number (176255514).

Almost surely, 2^2093121939 is an apocalyptic number.

2093121939 is a deficient number, since it is larger than the sum of its proper divisors (726966285).

2093121939 is a wasteful number, since it uses less digits than its factorization.

2093121939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10118.

The product of its (nonzero) digits is 26244, while the sum is 39.

The square root of 2093121939 is about 45750.6496019455. The cubic root of 2093121939 is about 1279.1795562217.

The spelling of 2093121939 in words is "two billion, ninety-three million, one hundred twenty-one thousand, nine hundred thirty-nine".