64336326834 has 48 divisors (see below), whose sum is σ = 139192377408. Its totient is φ = 19707355488.

The previous prime is 64336326829. The next prime is 64336326839. The reversal of 64336326834 is 43862363346.

It is an interprime number because it is at equal distance from previous prime (64336326829) and next prime (64336326839).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64336326839) 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, 4011259 + ... + 4027265.

It is an arithmetic number, because the mean of its divisors is an integer number (2899841196).

Almost surely, 2^64336326834 is an apocalyptic number.

64336326834 is an abundant number, since it is smaller than the sum of its proper divisors (74856050574).

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

64336326834 is a wasteful number, since it uses less digits than its factorization.

64336326834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16479 (or 16252 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 48.

It can be divided in two parts, 64336 and 326834, that added together give a triangular number (391170 = T₈₈₄).

The spelling of 64336326834 in words is "sixty-four billion, three hundred thirty-six million, three hundred twenty-six thousand, eight hundred thirty-four".