65018349 has 32 divisors (see below), whose sum is σ = 105753600. Its totient is φ = 39152880.

The previous prime is 65018347. The next prime is 65018363. The reversal of 65018349 is 94381056.

It is not a de Polignac number, because 65018349 - 2¹ = 65018347 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65018347) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52552 + ... + 53774.

It is an arithmetic number, because the mean of its divisors is an integer number (3304800).

Almost surely, 2^65018349 is an apocalyptic number.

It is an amenable number.

65018349 is a deficient number, since it is larger than the sum of its proper divisors (40735251).

65018349 is a wasteful number, since it uses less digits than its factorization.

65018349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1422 (or 1416 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 65018349 is about 8063.3956246733. The cubic root of 65018349 is about 402.1104062978.

The spelling of 65018349 in words is "sixty-five million, eighteen thousand, three hundred forty-nine".