7394249539 has 2 divisors, whose sum is σ = 7394249540. Its totient is φ = 7394249538.

The previous prime is 7394249449. The next prime is 7394249561. The reversal of 7394249539 is 9359424937.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7394249539 - 2¹³ = 7394241347 is a prime.

It is a super-3 number, since 3×7394249539³ (a number of 31 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7394249539.

It is not a weakly prime, because it can be changed into another prime (7394249339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3697124769 + 3697124770.

It is an arithmetic number, because the mean of its divisors is an integer number (3697124770).

Almost surely, 2^7394249539 is an apocalyptic number.

7394249539 is a deficient number, since it is larger than the sum of its proper divisors (1).

7394249539 is an equidigital number, since it uses as much as digits as its factorization.

7394249539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7348320, while the sum is 55.

The square root of 7394249539 is about 85989.8222989209. The cubic root of 7394249539 is about 1948.1902594992.

The spelling of 7394249539 in words is "seven billion, three hundred ninety-four million, two hundred forty-nine thousand, five hundred thirty-nine".