67873541091 has 16 divisors (see below), whose sum is σ = 90768523776. Its totient is φ = 45113936256.

The previous prime is 67873541083. The next prime is 67873541107. The reversal of 67873541091 is 19014537876.

It is a happy number.

It is not a de Polignac number, because 67873541091 - 2³ = 67873541083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (67873541891) 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, 1987426 + ... + 2021288.

It is an arithmetic number, because the mean of its divisors is an integer number (5673032736).

Almost surely, 2^67873541091 is an apocalyptic number.

67873541091 is a deficient number, since it is larger than the sum of its proper divisors (22894982685).

67873541091 is a wasteful number, since it uses less digits than its factorization.

67873541091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35842.

The product of its (nonzero) digits is 1270080, while the sum is 51.

The spelling of 67873541091 in words is "sixty-seven billion, eight hundred seventy-three million, five hundred forty-one thousand, ninety-one".