7046426521 has 2 divisors, whose sum is σ = 7046426522. Its totient is φ = 7046426520.

The previous prime is 7046426477. The next prime is 7046426537. The reversal of 7046426521 is 1256246407.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4604979600 + 2441446921 = 67860^2 + 49411^2 .

It is a cyclic number.

It is not a de Polignac number, because 7046426521 - 2¹³ = 7046418329 is a prime.

It is not a weakly prime, because it can be changed into another prime (7046426561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3523213260 + 3523213261.

It is an arithmetic number, because the mean of its divisors is an integer number (3523213261).

Almost surely, 2^7046426521 is an apocalyptic number.

It is an amenable number.

7046426521 is a deficient number, since it is larger than the sum of its proper divisors (1).

7046426521 is an equidigital number, since it uses as much as digits as its factorization.

7046426521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 7046426521 is about 83942.9956637241. The cubic root of 7046426521 is about 1917.1509503148.

The spelling of 7046426521 in words is "seven billion, forty-six million, four hundred twenty-six thousand, five hundred twenty-one".