7421026523 has 2 divisors, whose sum is σ = 7421026524. Its totient is φ = 7421026522.

The previous prime is 7421026519. The next prime is 7421026621. The reversal of 7421026523 is 3256201247.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7421026523 - 2² = 7421026519 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7421026523.

It is not a weakly prime, because it can be changed into another prime (7421026423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3710513261 + 3710513262.

It is an arithmetic number, because the mean of its divisors is an integer number (3710513262).

Almost surely, 2^7421026523 is an apocalyptic number.

7421026523 is a deficient number, since it is larger than the sum of its proper divisors (1).

7421026523 is an equidigital number, since it uses as much as digits as its factorization.

7421026523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 7421026523 is about 86145.3801605170. The cubic root of 7421026523 is about 1950.5391034533.

The spelling of 7421026523 in words is "seven billion, four hundred twenty-one million, twenty-six thousand, five hundred twenty-three".