64024242449 has 16 divisors (see below), whose sum is σ = 69059424000. Its totient is φ = 59156542080.

The previous prime is 64024242431. The next prime is 64024242463. The reversal of 64024242449 is 94424242046.

It is a cyclic number.

It is not a de Polignac number, because 64024242449 - 2²⁰ = 64023193873 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64024242649) 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, 2878232 + ... + 2900390.

It is an arithmetic number, because the mean of its divisors is an integer number (4316214000).

Almost surely, 2^64024242449 is an apocalyptic number.

It is an amenable number.

64024242449 is a deficient number, since it is larger than the sum of its proper divisors (5035181551).

64024242449 is a wasteful number, since it uses less digits than its factorization.

64024242449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25928.

The product of its (nonzero) digits is 442368, while the sum is 41.

The spelling of 64024242449 in words is "sixty-four billion, twenty-four million, two hundred forty-two thousand, four hundred forty-nine".