40345969337 has 2 divisors, whose sum is σ = 40345969338. Its totient is φ = 40345969336.

The previous prime is 40345969297. The next prime is 40345969379. The reversal of 40345969337 is 73396954304.

It is a happy number.

40345969337 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35745196096 + 4600773241 = 189064^2 + 67829^2 .

It is a cyclic number.

It is not a de Polignac number, because 40345969337 - 2³² = 36051002041 is a prime.

It is not a weakly prime, because it can be changed into another prime (40345969397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20172984668 + 20172984669.

It is an arithmetic number, because the mean of its divisors is an integer number (20172984669).

Almost surely, 2^40345969337 is an apocalyptic number.

It is an amenable number.

40345969337 is a deficient number, since it is larger than the sum of its proper divisors (1).

40345969337 is an equidigital number, since it uses as much as digits as its factorization.

40345969337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7348320, while the sum is 53.

The spelling of 40345969337 in words is "forty billion, three hundred forty-five million, nine hundred sixty-nine thousand, three hundred thirty-seven".