426946577 has 2 divisors, whose sum is σ = 426946578. Its totient is φ = 426946576.

The previous prime is 426946529. The next prime is 426946603. The reversal of 426946577 is 775649624.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 372644416 + 54302161 = 19304^2 + 7369^2 .

It is a cyclic number.

It is not a de Polignac number, because 426946577 - 2¹⁶ = 426881041 is a prime.

It is a super-2 number, since 2×426946577² = 364566759224033858, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (426946277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213473288 + 213473289.

It is an arithmetic number, because the mean of its divisors is an integer number (213473289).

Almost surely, 2^426946577 is an apocalyptic number.

It is an amenable number.

426946577 is a deficient number, since it is larger than the sum of its proper divisors (1).

426946577 is an equidigital number, since it uses as much as digits as its factorization.

426946577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2540160, while the sum is 50.

The square root of 426946577 is about 20662.6856192509. The cubic root of 426946577 is about 752.9934156848.

The spelling of 426946577 in words is "four hundred twenty-six million, nine hundred forty-six thousand, five hundred seventy-seven".