40163425610591 has 2 divisors, whose sum is σ = 40163425610592. Its totient is φ = 40163425610590.

The previous prime is 40163425610587. The next prime is 40163425610639. The reversal of 40163425610591 is 19501652436104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40163425610591 - 2² = 40163425610587 is a prime.

It is a super-2 number, since 2×40163425610591² (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 (40163425610551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20081712805295 + 20081712805296.

It is an arithmetic number, because the mean of its divisors is an integer number (20081712805296).

Almost surely, 2^{40163425610591} is an apocalyptic number.

40163425610591 is a deficient number, since it is larger than the sum of its proper divisors (1).

40163425610591 is an equidigital number, since it uses as much as digits as its factorization.

40163425610591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 777600, while the sum is 47.

The spelling of 40163425610591 in words is "forty trillion, one hundred sixty-three billion, four hundred twenty-five million, six hundred ten thousand, five hundred ninety-one".