1428601902889 has 12 divisors (see below), whose sum is σ = 1653616481664. Its totient is φ = 1209015678312.

The previous prime is 1428601902859. The next prime is 1428601902919. The reversal of 1428601902889 is 9882091068241.

It is an interprime number because it is at equal distance from previous prime (1428601902859) and next prime (1428601902919).

It is a de Polignac number, because none of the positive numbers 2^k-1428601902889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1428601902859) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16306737 + ... + 16394110.

It is an arithmetic number, because the mean of its divisors is an integer number (137801373472).

Almost surely, 2^{1428601902889} is an apocalyptic number.

It is an amenable number.

1428601902889 is a deficient number, since it is larger than the sum of its proper divisors (225014578775).

1428601902889 is an frugal number, since it uses more digits than its factorization.

1428601902889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32701012 (or 32700933 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 58.

The spelling of 1428601902889 in words is "one trillion, four hundred twenty-eight billion, six hundred one million, nine hundred two thousand, eight hundred eighty-nine".