1042891628429 has 12 divisors (see below), whose sum is σ = 1216360620000. Its totient is φ = 891548500248.

The previous prime is 1042891628419. The next prime is 1042891628489. The reversal of 1042891628429 is 9248261982401.

It is not a de Polignac number, because 1042891628429 - 2⁸ = 1042891628173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042891628419) 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, 28059929 + ... + 28097070.

It is an arithmetic number, because the mean of its divisors is an integer number (101363385000).

Almost surely, 2^{1042891628429} is an apocalyptic number.

It is an amenable number.

1042891628429 is a deficient number, since it is larger than the sum of its proper divisors (173468991571).

1042891628429 is an equidigital number, since it uses as much as digits as its factorization.

1042891628429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56157392 (or 56157385 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 56.

The spelling of 1042891628429 in words is "one trillion, forty-two billion, eight hundred ninety-one million, six hundred twenty-eight thousand, four hundred twenty-nine".