2631140067 has 4 divisors (see below), whose sum is σ = 3508186760. Its totient is φ = 1754093376.

The previous prime is 2631140063. The next prime is 2631140093. The reversal of 2631140067 is 7600411362.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2631140067 - 2² = 2631140063 is a prime.

It is a super-3 number, since 3×2631140067³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2631140063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 438523342 + ... + 438523347.

It is an arithmetic number, because the mean of its divisors is an integer number (877046690).

Almost surely, 2^2631140067 is an apocalyptic number.

2631140067 is a deficient number, since it is larger than the sum of its proper divisors (877046693).

2631140067 is an equidigital number, since it uses as much as digits as its factorization.

2631140067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877046692.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 2631140067 is about 51294.6397491980. The cubic root of 2631140067 is about 1380.5368049193.

The spelling of 2631140067 in words is "two billion, six hundred thirty-one million, one hundred forty thousand, sixty-seven".