1289454433352 has 16 divisors (see below), whose sum is σ = 2544975855600. Its totient is φ = 610794205200.

The previous prime is 1289454433339. The next prime is 1289454433363. The reversal of 1289454433352 is 2533344549821.

It is a super-2 number, since 2×1289454433352² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1289454433294 and 1289454433303.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4241626274 + ... + 4241626577.

It is an arithmetic number, because the mean of its divisors is an integer number (159060990975).

Almost surely, 2^{1289454433352} is an apocalyptic number.

It is an amenable number.

1289454433352 is a deficient number, since it is larger than the sum of its proper divisors (1255521422248).

1289454433352 is a wasteful number, since it uses less digits than its factorization.

1289454433352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8483252876 (or 8483252872 counting only the distinct ones).

The product of its digits is 12441600, while the sum is 53.

The spelling of 1289454433352 in words is "one trillion, two hundred eighty-nine billion, four hundred fifty-four million, four hundred thirty-three thousand, three hundred fifty-two".