67249067249 has 32 divisors (see below), whose sum is σ = 83709131520. Its totient is φ = 52604640000.

The previous prime is 67249067239. The next prime is 67249067251. The reversal of 67249067249 is 94276094276.

It is a cyclic number.

It is not a de Polignac number, because 67249067249 - 2⁸ = 67249066993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 67249067194 and 67249067203.

It is not an unprimeable number, because it can be changed into a prime (67249067239) 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, 6787199 + ... + 6797099.

It is an arithmetic number, because the mean of its divisors is an integer number (2615910360).

Almost surely, 2^67249067249 is an apocalyptic number.

It is an amenable number.

67249067249 is a deficient number, since it is larger than the sum of its proper divisors (16460064271).

67249067249 is a wasteful number, since it uses less digits than its factorization.

67249067249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10761.

The product of its (nonzero) digits is 9144576, while the sum is 56.

The spelling of 67249067249 in words is "sixty-seven billion, two hundred forty-nine million, sixty-seven thousand, two hundred forty-nine".