7140458540447 has 2 divisors, whose sum is σ = 7140458540448. Its totient is φ = 7140458540446.

The previous prime is 7140458540443. The next prime is 7140458540461. The reversal of 7140458540447 is 7440458540417.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7140458540447 - 2² = 7140458540443 is a prime.

It is a super-2 number, since 2×7140458540447² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7140458540443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3570229270223 + 3570229270224.

It is an arithmetic number, because the mean of its divisors is an integer number (3570229270224).

Almost surely, 2^{7140458540447} is an apocalyptic number.

7140458540447 is a deficient number, since it is larger than the sum of its proper divisors (1).

7140458540447 is an equidigital number, since it uses as much as digits as its factorization.

7140458540447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10035200, while the sum is 53.

The spelling of 7140458540447 in words is "seven trillion, one hundred forty billion, four hundred fifty-eight million, five hundred forty thousand, four hundred forty-seven".