67238969511 has 16 divisors (see below), whose sum is σ = 106914138624. Its totient is φ = 36751734624.

The previous prime is 67238969477. The next prime is 67238969513. The reversal of 67238969511 is 11596983276.

67238969511 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 67238969511 - 2⁹ = 67238968999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67238969513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69605076 + ... + 69606041.

It is an arithmetic number, because the mean of its divisors is an integer number (6682133664).

Almost surely, 2^67238969511 is an apocalyptic number.

67238969511 is a deficient number, since it is larger than the sum of its proper divisors (39675169113).

67238969511 is a wasteful number, since it uses less digits than its factorization.

67238969511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139211150.

The product of its digits is 4898880, while the sum is 57.

The spelling of 67238969511 in words is "sixty-seven billion, two hundred thirty-eight million, nine hundred sixty-nine thousand, five hundred eleven".