67542355099 has 2 divisors, whose sum is σ = 67542355100. Its totient is φ = 67542355098.

The previous prime is 67542355091. The next prime is 67542355171. The reversal of 67542355099 is 99055324576.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 67542355099 - 2³ = 67542355091 is a prime.

It is a super-2 number, since 2×67542355099² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (67542355091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33771177549 + 33771177550.

It is an arithmetic number, because the mean of its divisors is an integer number (33771177550).

Almost surely, 2^67542355099 is an apocalyptic number.

67542355099 is a deficient number, since it is larger than the sum of its proper divisors (1).

67542355099 is an equidigital number, since it uses as much as digits as its factorization.

67542355099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10206000, while the sum is 55.

The spelling of 67542355099 in words is "sixty-seven billion, five hundred forty-two million, three hundred fifty-five thousand, ninety-nine".