7649739269 has 4 divisors (see below), whose sum is σ = 7649968320. Its totient is φ = 7649510220.

The previous prime is 7649739241. The next prime is 7649739289. The reversal of 7649739269 is 9629379467.

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 not a de Polignac number, because 7649739269 - 2²⁴ = 7632962053 is a prime.

It is a super-2 number, since 2×7649739269² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7649739289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53639 + ... + 134820.

It is an arithmetic number, because the mean of its divisors is an integer number (1912492080).

Almost surely, 2^7649739269 is an apocalyptic number.

It is an amenable number.

7649739269 is a deficient number, since it is larger than the sum of its proper divisors (229051).

7649739269 is a wasteful number, since it uses less digits than its factorization.

7649739269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229050.

The product of its digits is 30862944, while the sum is 62.

The square root of 7649739269 is about 87462.7879100592. The cubic root of 7649739269 is about 1970.3749506620.

The spelling of 7649739269 in words is "seven billion, six hundred forty-nine million, seven hundred thirty-nine thousand, two hundred sixty-nine".