67342010491 has 16 divisors (see below), whose sum is σ = 78145896960. Its totient is φ = 56836100160.

The previous prime is 67342010447. The next prime is 67342010503. The reversal of 67342010491 is 19401024376.

It is not a de Polignac number, because 67342010491 - 2⁹ = 67342009979 is a prime.

It is a super-2 number, since 2×67342010491² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 67342010491.

It is not an unprimeable number, because it can be changed into a prime (67342010191) 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, 305055 + ... + 477223.

It is an arithmetic number, because the mean of its divisors is an integer number (4884118560).

Almost surely, 2^67342010491 is an apocalyptic number.

67342010491 is a deficient number, since it is larger than the sum of its proper divisors (10803886469).

67342010491 is a wasteful number, since it uses less digits than its factorization.

67342010491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173034.

The product of its (nonzero) digits is 36288, while the sum is 37.

The spelling of 67342010491 in words is "sixty-seven billion, three hundred forty-two million, ten thousand, four hundred ninety-one".