64874580743 has 8 divisors (see below), whose sum is σ = 74177920512. Its totient is φ = 55580126616.

The previous prime is 64874580733. The next prime is 64874580773. The reversal of 64874580743 is 34708547846.

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

It is not a de Polignac number, because 64874580743 - 2²² = 64870386439 is a prime.

It is a super-2 number, since 2×64874580743² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64874580713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2205755 + ... + 2234972.

It is an arithmetic number, because the mean of its divisors is an integer number (9272240064).

Almost surely, 2^64874580743 is an apocalyptic number.

64874580743 is a deficient number, since it is larger than the sum of its proper divisors (9303339769).

64874580743 is a wasteful number, since it uses less digits than its factorization.

64874580743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4442821.

The product of its (nonzero) digits is 18063360, while the sum is 56.

The spelling of 64874580743 in words is "sixty-four billion, eight hundred seventy-four million, five hundred eighty thousand, seven hundred forty-three".