15061402449 has 24 divisors (see below), whose sum is σ = 22034769120. Its totient is φ = 9912336192.

The previous prime is 15061402441. The next prime is 15061402453. The reversal of 15061402449 is 94420416051.

15061402449 is a `hidden beast` number, since 1 + 506 + 140 + 2 + 4 + 4 + 9 = 666.

It is not a de Polignac number, because 15061402449 - 2³ = 15061402441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15061402441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 500422 + ... + 529664.

It is an arithmetic number, because the mean of its divisors is an integer number (918115380).

Almost surely, 2^15061402449 is an apocalyptic number.

It is an amenable number.

15061402449 is a deficient number, since it is larger than the sum of its proper divisors (6973366671).

15061402449 is a wasteful number, since it uses less digits than its factorization.

15061402449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29981 (or 29978 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 15061402449 in words is "fifteen billion, sixty-one million, four hundred two thousand, four hundred forty-nine".