1426263731 has 2 divisors, whose sum is σ = 1426263732. Its totient is φ = 1426263730.

The previous prime is 1426263719. The next prime is 1426263743. The reversal of 1426263731 is 1373626241.

It is a balanced prime because it is at equal distance from previous prime (1426263719) and next prime (1426263743).

It is a cyclic number.

It is not a de Polignac number, because 1426263731 - 2¹⁰ = 1426262707 is a prime.

It is a super-2 number, since 2×1426263731² = 4068456460732080722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1426263691 and 1426263700.

It is not a weakly prime, because it can be changed into another prime (1426263701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713131865 + 713131866.

It is an arithmetic number, because the mean of its divisors is an integer number (713131866).

Almost surely, 2^1426263731 is an apocalyptic number.

1426263731 is a deficient number, since it is larger than the sum of its proper divisors (1).

1426263731 is an equidigital number, since it uses as much as digits as its factorization.

1426263731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 35.

The square root of 1426263731 is about 37765.9069929480. The cubic root of 1426263731 is about 1125.6411110538.

Adding to 1426263731 its reverse (1373626241), we get a palindrome (2799889972).

The spelling of 1426263731 in words is "one billion, four hundred twenty-six million, two hundred sixty-three thousand, seven hundred thirty-one".