426983069 has 2 divisors, whose sum is σ = 426983070. Its totient is φ = 426983068.

The previous prime is 426982973. The next prime is 426983087. The reversal of 426983069 is 960389624.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 409860025 + 17123044 = 20245^2 + 4138^2 .

It is a cyclic number.

It is not a de Polignac number, because 426983069 - 2⁸ = 426982813 is a prime.

It is a super-2 number, since 2×426983069² = 364629082425317522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426983369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213491534 + 213491535.

It is an arithmetic number, because the mean of its divisors is an integer number (213491535).

Almost surely, 2^426983069 is an apocalyptic number.

It is an amenable number.

426983069 is a deficient number, since it is larger than the sum of its proper divisors (1).

426983069 is an equidigital number, since it uses as much as digits as its factorization.

426983069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 559872, while the sum is 47.

The square root of 426983069 is about 20663.5686414520. The cubic root of 426983069 is about 753.0148683711.

The spelling of 426983069 in words is "four hundred twenty-six million, nine hundred eighty-three thousand, sixty-nine".