65733698745 has 640 divisors, whose sum is σ = 157367992320. Its totient is φ = 25754112000.

The previous prime is 65733698741. The next prime is 65733698749. The reversal of 65733698745 is 54789633756.

It is an interprime number because it is at equal distance from previous prime (65733698741) and next prime (65733698749).

It is not a de Polignac number, because 65733698745 - 2² = 65733698741 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65733698741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 639 ways as a sum of consecutive naturals, for example, 1398589312 + ... + 1398589358.

It is an arithmetic number, because the mean of its divisors is an integer number (245887488).

Almost surely, 2^65733698745 is an apocalyptic number.

65733698745 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

65733698745 is an abundant number, since it is smaller than the sum of its proper divisors (91634293575).

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

65733698745 is a wasteful number, since it uses less digits than its factorization.

65733698745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179 (or 170 counting only the distinct ones).

The product of its digits is 114307200, while the sum is 63.

The spelling of 65733698745 in words is "sixty-five billion, seven hundred thirty-three million, six hundred ninety-eight thousand, seven hundred forty-five".