40132695643 has 2 divisors, whose sum is σ = 40132695644. Its totient is φ = 40132695642.

The previous prime is 40132695637. The next prime is 40132695667. The reversal of 40132695643 is 34659623104.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40132695643 is a prime.

It is a super-2 number, since 2×40132695643² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40132695643.

It is not a weakly prime, because it can be changed into another prime (40132692643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20066347821 + 20066347822.

It is an arithmetic number, because the mean of its divisors is an integer number (20066347822).

Almost surely, 2^40132695643 is an apocalyptic number.

40132695643 is a deficient number, since it is larger than the sum of its proper divisors (1).

40132695643 is an equidigital number, since it uses as much as digits as its factorization.

40132695643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 466560, while the sum is 43.

The spelling of 40132695643 in words is "forty billion, one hundred thirty-two million, six hundred ninety-five thousand, six hundred forty-three".