1421766053 has 2 divisors, whose sum is σ = 1421766054. Its totient is φ = 1421766052.

The previous prime is 1421766043. The next prime is 1421766077. The reversal of 1421766053 is 3506671241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1421063809 + 702244 = 37697^2 + 838^2 .

It is a cyclic number.

It is not a de Polignac number, because 1421766053 - 2⁴ = 1421766037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1421766043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710883026 + 710883027.

It is an arithmetic number, because the mean of its divisors is an integer number (710883027).

Almost surely, 2^1421766053 is an apocalyptic number.

It is an amenable number.

1421766053 is a deficient number, since it is larger than the sum of its proper divisors (1).

1421766053 is an equidigital number, since it uses as much as digits as its factorization.

1421766053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 1421766053 is about 37706.3131716693. The cubic root of 1421766053 is about 1124.4566404548.

The spelling of 1421766053 in words is "one billion, four hundred twenty-one million, seven hundred sixty-six thousand, fifty-three".