40153643109791 has 2 divisors, whose sum is σ = 40153643109792. Its totient is φ = 40153643109790.

The previous prime is 40153643109773. The next prime is 40153643109841. The reversal of 40153643109791 is 19790134635104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40153643109791 - 2²² = 40153638915487 is a prime.

It is a super-2 number, since 2×40153643109791² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40153643189791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20076821554895 + 20076821554896.

It is an arithmetic number, because the mean of its divisors is an integer number (20076821554896).

Almost surely, 2^{40153643109791} is an apocalyptic number.

40153643109791 is a deficient number, since it is larger than the sum of its proper divisors (1).

40153643109791 is an equidigital number, since it uses as much as digits as its factorization.

40153643109791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2449440, while the sum is 53.

The spelling of 40153643109791 in words is "forty trillion, one hundred fifty-three billion, six hundred forty-three million, one hundred nine thousand, seven hundred ninety-one".