2067138451 has 12 divisors (see below), whose sum is σ = 2463282360. Its totient is φ = 1728615840.

The previous prime is 2067138449. The next prime is 2067138523. The reversal of 2067138451 is 1548317602.

It is not a de Polignac number, because 2067138451 - 2¹ = 2067138449 is a prime.

It is a super-2 number, since 2×2067138451² = 8546122751205358802, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2067138451.

It is not an unprimeable number, because it can be changed into a prime (2067138751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 512461 + ... + 516478.

It is an arithmetic number, because the mean of its divisors is an integer number (205273530).

Almost surely, 2^2067138451 is an apocalyptic number.

2067138451 is a deficient number, since it is larger than the sum of its proper divisors (396143909).

2067138451 is a wasteful number, since it uses less digits than its factorization.

2067138451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028994 (or 1028987 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 2067138451 is about 45465.7942963719. The cubic root of 2067138451 is about 1273.8643638557.

The spelling of 2067138451 in words is "two billion, sixty-seven million, one hundred thirty-eight thousand, four hundred fifty-one".