1412389633661 has 2 divisors, whose sum is σ = 1412389633662. Its totient is φ = 1412389633660.

The previous prime is 1412389633547. The next prime is 1412389633723. The reversal of 1412389633661 is 1663369832141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 710261272900 + 702128360761 = 842770^2 + 837931^2 .

It is a cyclic number.

It is not a de Polignac number, because 1412389633661 - 2³⁰ = 1411315891837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1412389638661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 706194816830 + 706194816831.

It is an arithmetic number, because the mean of its divisors is an integer number (706194816831).

Almost surely, 2^{1412389633661} is an apocalyptic number.

It is an amenable number.

1412389633661 is a deficient number, since it is larger than the sum of its proper divisors (1).

1412389633661 is an equidigital number, since it uses as much as digits as its factorization.

1412389633661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3359232, while the sum is 53.

The spelling of 1412389633661 in words is "one trillion, four hundred twelve billion, three hundred eighty-nine million, six hundred thirty-three thousand, six hundred sixty-one".