7438091459 has 2 divisors, whose sum is σ = 7438091460. Its totient is φ = 7438091458.

The previous prime is 7438091377. The next prime is 7438091461. The reversal of 7438091459 is 9541908347.

7438091459 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7438091459 - 2³² = 3143124163 is a prime.

Together with 7438091461, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (7438091489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3719045729 + 3719045730.

It is an arithmetic number, because the mean of its divisors is an integer number (3719045730).

Almost surely, 2^7438091459 is an apocalyptic number.

7438091459 is a deficient number, since it is larger than the sum of its proper divisors (1).

7438091459 is an equidigital number, since it uses as much as digits as its factorization.

7438091459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1088640, while the sum is 50.

The square root of 7438091459 is about 86244.3705931002. The cubic root of 7438091459 is about 1952.0330721289.

The spelling of 7438091459 in words is "seven billion, four hundred thirty-eight million, ninety-one thousand, four hundred fifty-nine".