64712424249 has 24 divisors (see below), whose sum is σ = 106404622272. Its totient is φ = 37514447520.

The previous prime is 64712424233. The next prime is 64712424313. The reversal of 64712424249 is 94242421746.

64712424249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 64712424249 - 2⁴ = 64712424233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64712424209) 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, 14207742 + ... + 14212295.

It is an arithmetic number, because the mean of its divisors is an integer number (4433525928).

Almost surely, 2^64712424249 is an apocalyptic number.

64712424249 is a gapful number since it is divisible by the number (69) formed by its first and last digit.

It is an amenable number.

64712424249 is a deficient number, since it is larger than the sum of its proper divisors (41692198023).

64712424249 is a wasteful number, since it uses less digits than its factorization.

64712424249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28420077 (or 28420074 counting only the distinct ones).

The product of its digits is 774144, while the sum is 45.

The spelling of 64712424249 in words is "sixty-four billion, seven hundred twelve million, four hundred twenty-four thousand, two hundred forty-nine".