65898406035 has 128 divisors (see below), whose sum is σ = 147031326720. Its totient is φ = 27204336000.

The previous prime is 65898405953. The next prime is 65898406039. The reversal of 65898406035 is 53060489856.

It is a happy number.

It is not a de Polignac number, because 65898406035 - 2¹³ = 65898397843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65898406039) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1548654 + ... + 1590636.

It is an arithmetic number, because the mean of its divisors is an integer number (1148682240).

Almost surely, 2^65898406035 is an apocalyptic number.

65898406035 is an abundant number, since it is smaller than the sum of its proper divisors (81132920685).

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

65898406035 is a wasteful number, since it uses less digits than its factorization.

65898406035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42166 (or 42160 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 54.

The spelling of 65898406035 in words is "sixty-five billion, eight hundred ninety-eight million, four hundred six thousand, thirty-five".