1439070993 has 24 divisors (see below), whose sum is σ = 2105157600. Its totient is φ = 947183424.

The previous prime is 1439070953. The next prime is 1439071019. The reversal of 1439070993 is 3990709341.

It is not a de Polignac number, because 1439070993 - 2⁶ = 1439070929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1439070953) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1007746 + ... + 1009172.

It is an arithmetic number, because the mean of its divisors is an integer number (87714900).

Almost surely, 2^1439070993 is an apocalyptic number.

It is an amenable number.

1439070993 is a deficient number, since it is larger than the sum of its proper divisors (666086607).

1439070993 is a wasteful number, since it uses less digits than its factorization.

1439070993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2781 (or 2778 counting only the distinct ones).

The product of its (nonzero) digits is 183708, while the sum is 45.

The square root of 1439070993 is about 37935.0892051146. The cubic root of 1439070993 is about 1129.0003410109. Note that the first 3 decimals are identical.

The spelling of 1439070993 in words is "one billion, four hundred thirty-nine million, seventy thousand, nine hundred ninety-three".