7649223242039 has 4 divisors (see below), whose sum is σ = 7912989560760. Its totient is φ = 7385456923320.

The previous prime is 7649223242029. The next prime is 7649223242047. The reversal of 7649223242039 is 9302423229467.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7649223242039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7649223242029) 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, 131883159317 + ... + 131883159374.

It is an arithmetic number, because the mean of its divisors is an integer number (1978247390190).

Almost surely, 2^{7649223242039} is an apocalyptic number.

7649223242039 is a deficient number, since it is larger than the sum of its proper divisors (263766318721).

7649223242039 is a wasteful number, since it uses less digits than its factorization.

7649223242039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263766318720.

The product of its (nonzero) digits is 7838208, while the sum is 53.

The spelling of 7649223242039 in words is "seven trillion, six hundred forty-nine billion, two hundred twenty-three million, two hundred forty-two thousand, thirty-nine".