67281253093 has 16 divisors (see below), whose sum is σ = 72147704832. Its totient is φ = 62628048000.

The previous prime is 67281253087. The next prime is 67281253103. The reversal of 67281253093 is 39035218276.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67281253093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67281253043) 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, 282546 + ... + 463027.

It is an arithmetic number, because the mean of its divisors is an integer number (4509231552).

Almost surely, 2^67281253093 is an apocalyptic number.

It is an amenable number.

67281253093 is a deficient number, since it is larger than the sum of its proper divisors (4866451739).

67281253093 is a wasteful number, since it uses less digits than its factorization.

67281253093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745716.

The product of its (nonzero) digits is 544320, while the sum is 46.

The spelling of 67281253093 in words is "sixty-seven billion, two hundred eighty-one million, two hundred fifty-three thousand, ninety-three".