7389936249 has 8 divisors (see below), whose sum is σ = 9853658400. Its totient is φ = 4926419136.

The previous prime is 7389936241. The next prime is 7389936349. The reversal of 7389936249 is 9426399837.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7389936249 - 2³ = 7389936241 is a prime.

It is a super-2 number, since 2×7389936249² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7389936192 and 7389936201.

It is not an unprimeable number, because it can be changed into a prime (7389936241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83314 + ... + 147380.

It is an arithmetic number, because the mean of its divisors is an integer number (1231707300).

Almost surely, 2^7389936249 is an apocalyptic number.

It is an amenable number.

7389936249 is a deficient number, since it is larger than the sum of its proper divisors (2463722151).

7389936249 is a wasteful number, since it uses less digits than its factorization.

7389936249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102519.

The product of its digits is 17635968, while the sum is 60.

The square root of 7389936249 is about 85964.7384047669. The cubic root of 7389936249 is about 1947.8113729974.

The spelling of 7389936249 in words is "seven billion, three hundred eighty-nine million, nine hundred thirty-six thousand, two hundred forty-nine".