4020140351497 has 2 divisors, whose sum is σ = 4020140351498. Its totient is φ = 4020140351496.

The previous prime is 4020140351473. The next prime is 4020140351537. The reversal of 4020140351497 is 7941530410204.

4020140351497 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (4020140351537) can be obtained adding 4020140351497 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3630934061001 + 389206290496 = 1905501^2 + 623864^2 .

It is a cyclic number.

It is not a de Polignac number, because 4020140351497 - 2⁷ = 4020140351369 is a prime.

It is not a weakly prime, because it can be changed into another prime (4020140351467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010070175748 + 2010070175749.

It is an arithmetic number, because the mean of its divisors is an integer number (2010070175749).

Almost surely, 2^{4020140351497} is an apocalyptic number.

It is an amenable number.

4020140351497 is a deficient number, since it is larger than the sum of its proper divisors (1).

4020140351497 is an equidigital number, since it uses as much as digits as its factorization.

4020140351497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 4020140351497 in words is "four trillion, twenty billion, one hundred forty million, three hundred fifty-one thousand, four hundred ninety-seven".