64461834248 has 32 divisors (see below), whose sum is σ = 142588392960. Its totient is φ = 26735322240.

The previous prime is 64461834247. The next prime is 64461834257. The reversal of 64461834248 is 84243816446.

It is a junction number, because it is equal to n+sod(n) for n = 64461834196 and 64461834205.

It is not an unprimeable number, because it can be changed into a prime (64461834247) 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, 18564461 + ... + 18567932.

It is an arithmetic number, because the mean of its divisors is an integer number (4455887280).

Almost surely, 2^64461834248 is an apocalyptic number.

It is an amenable number.

64461834248 is an abundant number, since it is smaller than the sum of its proper divisors (78126558712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64461834248 is a wasteful number, since it uses less digits than its factorization.

64461834248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37132437 (or 37132433 counting only the distinct ones).

The product of its digits is 3538944, while the sum is 50.

The spelling of 64461834248 in words is "sixty-four billion, four hundred sixty-one million, eight hundred thirty-four thousand, two hundred forty-eight".