946401361489 has 2 divisors, whose sum is σ = 946401361490. Its totient is φ = 946401361488.

The previous prime is 946401361469. The next prime is 946401361513. The reversal of 946401361489 is 984163104649.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 863979545025 + 82421816464 = 929505^2 + 287092^2 .

It is a cyclic number.

It is not a de Polignac number, because 946401361489 - 2¹⁵ = 946401328721 is a prime.

It is a super-3 number, since 3×946401361489³ (a number of 37 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (946401361469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 473200680744 + 473200680745.

It is an arithmetic number, because the mean of its divisors is an integer number (473200680745).

Almost surely, 2^946401361489 is an apocalyptic number.

It is an amenable number.

946401361489 is a deficient number, since it is larger than the sum of its proper divisors (1).

946401361489 is an equidigital number, since it uses as much as digits as its factorization.

946401361489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4478976, while the sum is 55.

The spelling of 946401361489 in words is "nine hundred forty-six billion, four hundred one million, three hundred sixty-one thousand, four hundred eighty-nine".