64730066698 has 32 divisors (see below), whose sum is σ = 110876169600. Its totient is φ = 28054656960.

The previous prime is 64730066693. The next prime is 64730066699. The reversal of 64730066698 is 89666003746.

64730066698 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (64730066693) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41373 + ... + 362176.

It is an arithmetic number, because the mean of its divisors is an integer number (3464880300).

Almost surely, 2^64730066698 is an apocalyptic number.

64730066698 is a deficient number, since it is larger than the sum of its proper divisors (46146102902).

64730066698 is a wasteful number, since it uses less digits than its factorization.

64730066698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403902.

The product of its (nonzero) digits is 7838208, while the sum is 55.

The spelling of 64730066698 in words is "sixty-four billion, seven hundred thirty million, sixty-six thousand, six hundred ninety-eight".