1466423653 has 2 divisors, whose sum is σ = 1466423654. Its totient is φ = 1466423652.

The previous prime is 1466423639. The next prime is 1466423681. The reversal of 1466423653 is 3563246641.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 901981089 + 564442564 = 30033^2 + 23758^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1466423653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1466423603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 733211826 + 733211827.

It is an arithmetic number, because the mean of its divisors is an integer number (733211827).

Almost surely, 2^1466423653 is an apocalyptic number.

It is an amenable number.

1466423653 is a deficient number, since it is larger than the sum of its proper divisors (1).

1466423653 is an equidigital number, since it uses as much as digits as its factorization.

1466423653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 40.

The square root of 1466423653 is about 38293.9114351094. The cubic root of 1466423653 is about 1136.1085259362.

The spelling of 1466423653 in words is "one billion, four hundred sixty-six million, four hundred twenty-three thousand, six hundred fifty-three".