40736676697 has 2 divisors, whose sum is σ = 40736676698. Its totient is φ = 40736676696.

The previous prime is 40736676679. The next prime is 40736676769. The reversal of 40736676697 is 79667663704.

It is a happy number.

40736676697 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (40736676769) it forms an Ormiston pair, because they use the same digits, order apart.

Together with previous prime (40736676679) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30710459536 + 10026217161 = 175244^2 + 100131^2 .

It is a cyclic number.

It is not a de Polignac number, because 40736676697 - 2²³ = 40728288089 is a prime.

It is not a weakly prime, because it can be changed into another prime (40736676677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20368338348 + 20368338349.

It is an arithmetic number, because the mean of its divisors is an integer number (20368338349).

Almost surely, 2^40736676697 is an apocalyptic number.

It is an amenable number.

40736676697 is a deficient number, since it is larger than the sum of its proper divisors (1).

40736676697 is an equidigital number, since it uses as much as digits as its factorization.

40736676697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48009024, while the sum is 61.

The spelling of 40736676697 in words is "forty billion, seven hundred thirty-six million, six hundred seventy-six thousand, six hundred ninety-seven".