7439854933249 has 4 divisors (see below), whose sum is σ = 7459280142336. Its totient is φ = 7420429724164.

The previous prime is 7439854933243. The next prime is 7439854933253. The reversal of 7439854933249 is 9423394589347.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7439854933249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7439854933243) 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, 9712603969 + ... + 9712604734.

It is an arithmetic number, because the mean of its divisors is an integer number (1864820035584).

Almost surely, 2^{7439854933249} is an apocalyptic number.

It is an amenable number.

7439854933249 is a deficient number, since it is larger than the sum of its proper divisors (19425209087).

7439854933249 is a wasteful number, since it uses less digits than its factorization.

7439854933249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19425209086.

The product of its digits is 705438720, while the sum is 70.

The spelling of 7439854933249 in words is "seven trillion, four hundred thirty-nine billion, eight hundred fifty-four million, nine hundred thirty-three thousand, two hundred forty-nine".