40653883969 has 2 divisors, whose sum is σ = 40653883970. Its totient is φ = 40653883968.

The previous prime is 40653883967. The next prime is 40653884053. The reversal of 40653883969 is 96938835604.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40064025600 + 589858369 = 200160^2 + 24287^2 .

It is a cyclic number.

It is not a de Polignac number, because 40653883969 - 2¹ = 40653883967 is a prime.

It is a super-2 number, since 2×40653883969² (a number of 22 digits) contains 22 as substring.

Together with 40653883967, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (40653883961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20326941984 + 20326941985.

It is an arithmetic number, because the mean of its divisors is an integer number (20326941985).

Almost surely, 2^40653883969 is an apocalyptic number.

It is an amenable number.

40653883969 is a deficient number, since it is larger than the sum of its proper divisors (1).

40653883969 is an equidigital number, since it uses as much as digits as its factorization.

40653883969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33592320, while the sum is 61.

The spelling of 40653883969 in words is "forty billion, six hundred fifty-three million, eight hundred eighty-three thousand, nine hundred sixty-nine".