65489012 has 12 divisors (see below), whose sum is σ = 114954336. Its totient is φ = 32644920.

The previous prime is 65489003. The next prime is 65489023. The reversal of 65489012 is 21098456.

It is a super-2 number, since 2×65489012² = 8577621385472288, which contains 22 as substring.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23408 + ... + 26055.

It is an arithmetic number, because the mean of its divisors is an integer number (9579528).

Almost surely, 2^65489012 is an apocalyptic number.

It is an amenable number.

65489012 is a deficient number, since it is larger than the sum of its proper divisors (49465324).

65489012 is a wasteful number, since it uses less digits than its factorization.

65489012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49798 (or 49796 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 65489012 is about 8092.5281587400. The cubic root of 65489012 is about 403.0783568573.

The spelling of 65489012 in words is "sixty-five million, four hundred eighty-nine thousand, twelve".