740133991573 has 2 divisors, whose sum is σ = 740133991574. Its totient is φ = 740133991572.

The previous prime is 740133991561. The next prime is 740133991577. The reversal of 740133991573 is 375199331047.

740133991573 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 715754916529 + 24379075044 = 846023^2 + 156138^2 .

It is a cyclic number.

It is not a de Polignac number, because 740133991573 - 2²¹ = 740131894421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 740133991573.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (740133991577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370066995786 + 370066995787.

It is an arithmetic number, because the mean of its divisors is an integer number (370066995787).

Almost surely, 2^740133991573 is an apocalyptic number.

It is an amenable number.

740133991573 is a deficient number, since it is larger than the sum of its proper divisors (1).

740133991573 is an equidigital number, since it uses as much as digits as its factorization.

740133991573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2143260, while the sum is 52.

The spelling of 740133991573 in words is "seven hundred forty billion, one hundred thirty-three million, nine hundred ninety-one thousand, five hundred seventy-three".