4140040973 has 2 divisors, whose sum is σ = 4140040974. Its totient is φ = 4140040972.

The previous prime is 4140040907. The next prime is 4140041117. The reversal of 4140040973 is 3790400414.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4126520644 + 13520329 = 64238^2 + 3677^2 .

It is a cyclic number.

It is not a de Polignac number, because 4140040973 - 2⁸ = 4140040717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4140040573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2070020486 + 2070020487.

It is an arithmetic number, because the mean of its divisors is an integer number (2070020487).

Almost surely, 2^4140040973 is an apocalyptic number.

It is an amenable number.

4140040973 is a deficient number, since it is larger than the sum of its proper divisors (1).

4140040973 is an equidigital number, since it uses as much as digits as its factorization.

4140040973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 4140040973 is about 64343.1501637898. The cubic root of 4140040973 is about 1605.7140707720.

The spelling of 4140040973 in words is "four billion, one hundred forty million, forty thousand, nine hundred seventy-three".