65773349999 has 8 divisors (see below), whose sum is σ = 75563102208. Its totient is φ = 56081987640.

The previous prime is 65773349989. The next prime is 65773350023. The reversal of 65773349999 is 99994337756.

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

It is not a de Polignac number, because 65773349999 - 2²⁸ = 65504914543 is a prime.

It is a super-2 number, since 2×65773349999² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65773349989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24596027 + ... + 24598700.

It is an arithmetic number, because the mean of its divisors is an integer number (9445387776).

Almost surely, 2^65773349999 is an apocalyptic number.

65773349999 is a deficient number, since it is larger than the sum of its proper divisors (9789752209).

65773349999 is a wasteful number, since it uses less digits than its factorization.

65773349999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49194925.

The product of its digits is 347208120, while the sum is 71.

The spelling of 65773349999 in words is "sixty-five billion, seven hundred seventy-three million, three hundred forty-nine thousand, nine hundred ninety-nine".