12949424244 has 18 divisors (see below), whose sum is σ = 32733266930. Its totient is φ = 4316474736.

The previous prime is 12949424239. The next prime is 12949424249. The reversal of 12949424244 is 44242494921.

It is an interprime number because it is at equal distance from previous prime (12949424239) and next prime (12949424249).

It can be written as a sum of positive squares in only one way, i.e., 12927690000 + 21734244 = 113700^2 + 4662^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 12949424244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12949424249) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 179853079 + ... + 179853150.

Almost surely, 2^12949424244 is an apocalyptic number.

It is an amenable number.

12949424244 is an abundant number, since it is smaller than the sum of its proper divisors (19783842686).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12949424244 is a wasteful number, since it uses less digits than its factorization.

12949424244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359706239 (or 359706234 counting only the distinct ones).

The product of its digits is 663552, while the sum is 45.

The spelling of 12949424244 in words is "twelve billion, nine hundred forty-nine million, four hundred twenty-four thousand, two hundred forty-four".