68549652465 has 32 divisors (see below), whose sum is σ = 125395378176. Its totient is φ = 31325123520.

The previous prime is 68549652443. The next prime is 68549652467. The reversal of 68549652465 is 56425694586.

It is not a de Polignac number, because 68549652465 - 2¹⁹ = 68549128177 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68549652399 and 68549652408.

It is not an unprimeable number, because it can be changed into a prime (68549652467) 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, 158244 + ... + 402666.

It is an arithmetic number, because the mean of its divisors is an integer number (3918605568).

Almost surely, 2^68549652465 is an apocalyptic number.

It is an amenable number.

68549652465 is a deficient number, since it is larger than the sum of its proper divisors (56845725711).

68549652465 is a wasteful number, since it uses less digits than its factorization.

68549652465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247109.

The product of its digits is 62208000, while the sum is 60.

The spelling of 68549652465 in words is "sixty-eight billion, five hundred forty-nine million, six hundred fifty-two thousand, four hundred sixty-five".