67426232412669 has 16 divisors (see below), whose sum is σ = 101912793931200. Its totient is φ = 39309220515456.

The previous prime is 67426232412641. The next prime is 67426232412677. The reversal of 67426232412669 is 96621423262476.

It is a de Polignac number, because none of the positive numbers 2^k-67426232412669 is a prime.

It is a super-2 number, since 2×67426232412669² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67426232412629) 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, 45496782264 + ... + 45496783745.

It is an arithmetic number, because the mean of its divisors is an integer number (6369549620700).

Almost surely, 2^{67426232412669} is an apocalyptic number.

It is an amenable number.

67426232412669 is a deficient number, since it is larger than the sum of its proper divisors (34486561518531).

67426232412669 is a wasteful number, since it uses less digits than its factorization.

67426232412669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90993566044.

The product of its digits is 62705664, while the sum is 60.

The spelling of 67426232412669 in words is "sixty-seven trillion, four hundred twenty-six billion, two hundred thirty-two million, four hundred twelve thousand, six hundred sixty-nine".