12953962449 has 16 divisors (see below), whose sum is σ = 19195254400. Its totient is φ = 8634085488.

The previous prime is 12953962403. The next prime is 12953962453. The reversal of 12953962449 is 94426935921.

12953962449 is a `hidden beast` number, since 1 + 2 + 9 + 5 + 3 + 9 + 624 + 4 + 9 = 666.

It is not a de Polignac number, because 12953962449 - 2¹¹ = 12953960401 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12953962395 and 12953962404.

It is not an unprimeable number, because it can be changed into a prime (12953962649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79212 + ... + 179394.

It is an arithmetic number, because the mean of its divisors is an integer number (1199703400).

Almost surely, 2^12953962449 is an apocalyptic number.

It is an amenable number.

12953962449 is a deficient number, since it is larger than the sum of its proper divisors (6241291951).

12953962449 is a wasteful number, since it uses less digits than its factorization.

12953962449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104981 (or 104975 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 54.

The spelling of 12953962449 in words is "twelve billion, nine hundred fifty-three million, nine hundred sixty-two thousand, four hundred forty-nine".