40375193265989 has 2 divisors, whose sum is σ = 40375193265990. Its totient is φ = 40375193265988.

The previous prime is 40375193265943. The next prime is 40375193265991. The reversal of 40375193265989 is 98956239157304.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21308914680964 + 19066278585025 = 4616158^2 + 4366495^2 .

It is a cyclic number.

It is not a de Polignac number, because 40375193265989 - 2⁸ = 40375193265733 is a prime.

Together with 40375193265991, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40375193265919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20187596632994 + 20187596632995.

It is an arithmetic number, because the mean of its divisors is an integer number (20187596632995).

It is a 1-persistent number, because it is pandigital, but 2⋅40375193265989 = 80750386531978 is not.

Almost surely, 2^{40375193265989} is an apocalyptic number.

It is an amenable number.

40375193265989 is a deficient number, since it is larger than the sum of its proper divisors (1).

40375193265989 is an equidigital number, since it uses as much as digits as its factorization.

40375193265989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 440899200, while the sum is 71.

The spelling of 40375193265989 in words is "forty trillion, three hundred seventy-five billion, one hundred ninety-three million, two hundred sixty-five thousand, nine hundred eighty-nine".