64736509214 has 8 divisors (see below), whose sum is σ = 104574361080. Its totient is φ = 29878388856.

The previous prime is 64736509213. The next prime is 64736509217. The reversal of 64736509214 is 41290563746.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64736509213) 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 3 ways as a sum of consecutive naturals, for example, 1244932844 + ... + 1244932895.

It is an arithmetic number, because the mean of its divisors is an integer number (13071795135).

Almost surely, 2^64736509214 is an apocalyptic number.

64736509214 is a deficient number, since it is larger than the sum of its proper divisors (39837851866).

64736509214 is a wasteful number, since it uses less digits than its factorization.

64736509214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2489865754.

The product of its (nonzero) digits is 1088640, while the sum is 47.

The spelling of 64736509214 in words is "sixty-four billion, seven hundred thirty-six million, five hundred nine thousand, two hundred fourteen".