68282464509 has 40 divisors (see below), whose sum is σ = 116899009920. Its totient is φ = 38909748384.

The previous prime is 68282464429. The next prime is 68282464573. The reversal of 68282464509 is 90546428286.

It is not a de Polignac number, because 68282464509 - 2⁷ = 68282464381 is a prime.

It is a super-2 number, since 2×68282464509² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68282464109) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 35827 + ... + 371279.

It is an arithmetic number, because the mean of its divisors is an integer number (2922475248).

Almost surely, 2^68282464509 is an apocalyptic number.

It is an amenable number.

68282464509 is a deficient number, since it is larger than the sum of its proper divisors (48616545411).

68282464509 is a wasteful number, since it uses less digits than its factorization.

68282464509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335831 (or 335822 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 54.

The spelling of 68282464509 in words is "sixty-eight billion, two hundred eighty-two million, four hundred sixty-four thousand, five hundred nine".