1389962299 has 4 divisors (see below), whose sum is σ = 1516322520. Its totient is φ = 1263602080.

The previous prime is 1389962281. The next prime is 1389962311. The reversal of 1389962299 is 9922699831.

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 1389962299 - 2²¹ = 1387865147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1389962219) 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, 63180094 + ... + 63180115.

It is an arithmetic number, because the mean of its divisors is an integer number (379080630).

Almost surely, 2^1389962299 is an apocalyptic number.

1389962299 is a deficient number, since it is larger than the sum of its proper divisors (126360221).

1389962299 is a wasteful number, since it uses less digits than its factorization.

1389962299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126360220.

The product of its digits is 3779136, while the sum is 58.

The square root of 1389962299 is about 37282.1981513966. The cubic root of 1389962299 is about 1116.0089398936.

The spelling of 1389962299 in words is "one billion, three hundred eighty-nine million, nine hundred sixty-two thousand, two hundred ninety-nine".