40133693 has 2 divisors, whose sum is σ = 40133694. Its totient is φ = 40133692.

The previous prime is 40133633. The next prime is 40133707. The reversal of 40133693 is 39633104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37185604 + 2948089 = 6098^2 + 1717^2 .

It is a cyclic number.

It is not a de Polignac number, because 40133693 - 2¹⁰ = 40132669 is a prime.

It is a super-2 number, since 2×40133693² = 3221426627636498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40133633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20066846 + 20066847.

It is an arithmetic number, because the mean of its divisors is an integer number (20066847).

Almost surely, 2^40133693 is an apocalyptic number.

It is an amenable number.

40133693 is a deficient number, since it is larger than the sum of its proper divisors (1).

40133693 is an equidigital number, since it uses as much as digits as its factorization.

40133693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 29.

The square root of 40133693 is about 6335.1158631867. The cubic root of 40133693 is about 342.3757853150.

Adding to 40133693 its reverse (39633104), we get a palindrome (79766797).

The spelling of 40133693 in words is "forty million, one hundred thirty-three thousand, six hundred ninety-three".