67369413537 has 12 divisors (see below), whose sum is σ = 97336499364. Its totient is φ = 44901346560.

The previous prime is 67369413511. The next prime is 67369413593. The reversal of 67369413537 is 73531496376.

It is a happy number.

67369413537 is a `hidden beast` number, since 6 + 7 + 3 + 6 + 94 + 13 + 537 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 58979036736 + 8390376801 = 242856^2 + 91599^2 .

It is not a de Polignac number, because 67369413537 - 2¹⁹ = 67368889249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (67369413037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 929448 + ... + 999305.

It is an arithmetic number, because the mean of its divisors is an integer number (8111374947).

Almost surely, 2^67369413537 is an apocalyptic number.

It is an amenable number.

67369413537 is a deficient number, since it is larger than the sum of its proper divisors (29967085827).

67369413537 is a wasteful number, since it uses less digits than its factorization.

67369413537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1932640 (or 1932637 counting only the distinct ones).

The product of its digits is 8573040, while the sum is 54.

The spelling of 67369413537 in words is "sixty-seven billion, three hundred sixty-nine million, four hundred thirteen thousand, five hundred thirty-seven".