7649123513109 has 16 divisors (see below), whose sum is σ = 11190589990272. Its totient is φ = 4618338723648.

The previous prime is 7649123513107. The next prime is 7649123513111. The reversal of 7649123513109 is 9013153219467.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7649123513107) and next prime (7649123513111).

It is not a de Polignac number, because 7649123513109 - 2¹ = 7649123513107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7649123513107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1850293897 + ... + 1850298030.

It is an arithmetic number, because the mean of its divisors is an integer number (699411874392).

Almost surely, 2^{7649123513109} is an apocalyptic number.

It is an amenable number.

7649123513109 is a deficient number, since it is larger than the sum of its proper divisors (3541466477163).

7649123513109 is a wasteful number, since it uses less digits than its factorization.

7649123513109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3700591996.

The product of its (nonzero) digits is 1224720, while the sum is 51.

The spelling of 7649123513109 in words is "seven trillion, six hundred forty-nine billion, one hundred twenty-three million, five hundred thirteen thousand, one hundred nine".