12364744773549 has 32 divisors (see below), whose sum is σ = 19351251323136. Its totient is φ = 6874427612160.

The previous prime is 12364744773529. The next prime is 12364744773559. The reversal of 12364744773549 is 94537744746321.

It is a happy number.

It is not a de Polignac number, because 12364744773549 - 2²¹ = 12364742676397 is a prime.

It is a super-2 number, since 2×12364744773549² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12364744773549.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12364744773529) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32973589 + ... + 33346469.

It is an arithmetic number, because the mean of its divisors is an integer number (604726603848).

Almost surely, 2^{12364744773549} is an apocalyptic number.

It is an amenable number.

12364744773549 is a deficient number, since it is larger than the sum of its proper divisors (6986506549587).

12364744773549 is a wasteful number, since it uses less digits than its factorization.

12364744773549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415605.

The product of its digits is 426746880, while the sum is 66.

The spelling of 12364744773549 in words is "twelve trillion, three hundred sixty-four billion, seven hundred forty-four million, seven hundred seventy-three thousand, five hundred forty-nine".