65029869 has 6 divisors (see below), whose sum is σ = 93932046. Its totient is φ = 43353240.

The previous prime is 65029807. The next prime is 65029873. The reversal of 65029869 is 96892056.

It can be written as a sum of positive squares in only one way, i.e., 33524100 + 31505769 = 5790^2 + 5613^2 .

It is not a de Polignac number, because 65029869 - 2¹¹ = 65027821 is a prime.

It is a super-2 number, since 2×65029869² = 8457767724314322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65029669) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3612762 + ... + 3612779.

It is an arithmetic number, because the mean of its divisors is an integer number (15655341).

Almost surely, 2^65029869 is an apocalyptic number.

It is an amenable number.

65029869 is a deficient number, since it is larger than the sum of its proper divisors (28902177).

65029869 is a wasteful number, since it uses less digits than its factorization.

65029869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7225547 (or 7225544 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 65029869 is about 8064.1099322864. The cubic root of 65029869 is about 402.1341536368.

The spelling of 65029869 in words is "sixty-five million, twenty-nine thousand, eight hundred sixty-nine".