64524474849 has 8 divisors (see below), whose sum is σ = 87863114880. Its totient is φ = 42101075696.

The previous prime is 64524474841. The next prime is 64524474877. The reversal of 64524474849 is 94847442546.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 64524474849 - 2³ = 64524474841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64524474841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228810054 + ... + 228810335.

It is an arithmetic number, because the mean of its divisors is an integer number (10982889360).

Almost surely, 2^64524474849 is an apocalyptic number.

It is an amenable number.

64524474849 is a deficient number, since it is larger than the sum of its proper divisors (23338640031).

64524474849 is a wasteful number, since it uses less digits than its factorization.

64524474849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457620439.

The product of its digits is 30965760, while the sum is 57.

The spelling of 64524474849 in words is "sixty-four billion, five hundred twenty-four million, four hundred seventy-four thousand, eight hundred forty-nine".