1426361551 has 2 divisors, whose sum is σ = 1426361552. Its totient is φ = 1426361550.

The previous prime is 1426361543. The next prime is 1426361561. The reversal of 1426361551 is 1551636241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1426361551 - 2³ = 1426361543 is a prime.

It is a super-2 number, since 2×1426361551² = 4069014548342251202, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1426361501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713180775 + 713180776.

It is an arithmetic number, because the mean of its divisors is an integer number (713180776).

Almost surely, 2^1426361551 is an apocalyptic number.

1426361551 is a deficient number, since it is larger than the sum of its proper divisors (1).

1426361551 is an equidigital number, since it uses as much as digits as its factorization.

1426361551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 34.

The square root of 1426361551 is about 37767.2020541633. The cubic root of 1426361551 is about 1125.6668444190. Note that the first 3 decimals are identical.

Adding to 1426361551 its reverse (1551636241), we get a palindrome (2977997792).

The spelling of 1426361551 in words is "one billion, four hundred twenty-six million, three hundred sixty-one thousand, five hundred fifty-one".