64047516734 has 8 divisors (see below), whose sum is σ = 98115344928. Its totient is φ = 31342401760.

The previous prime is 64047516733. The next prime is 64047516749. The reversal of 64047516734 is 43761574046.

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

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64047516733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340678187 + ... + 340678374.

It is an arithmetic number, because the mean of its divisors is an integer number (12264418116).

Almost surely, 2^64047516734 is an apocalyptic number.

64047516734 is a deficient number, since it is larger than the sum of its proper divisors (34067828194).

64047516734 is a wasteful number, since it uses less digits than its factorization.

64047516734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681356610.

The product of its (nonzero) digits is 1693440, while the sum is 47.

The spelling of 64047516734 in words is "sixty-four billion, forty-seven million, five hundred sixteen thousand, seven hundred thirty-four".