1021436430930 has 48 divisors (see below), whose sum is σ = 2657055795264. Its totient is φ = 272247553440.

The previous prime is 1021436430923. The next prime is 1021436430953. The reversal of 1021436430930 is 390346341201.

1021436430930 is a `hidden beast` number, since 1 + 0 + 2 + 1 + 4 + 3 + 643 + 0 + 9 + 3 + 0 = 666.

1021436430930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2640814 + ... + 3002793.

It is an arithmetic number, because the mean of its divisors is an integer number (55355329068).

Almost surely, 2^{1021436430930} is an apocalyptic number.

1021436430930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021436430930 is an abundant number, since it is smaller than the sum of its proper divisors (1635619364334).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1021436430930 is a wasteful number, since it uses less digits than its factorization.

1021436430930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5645631 (or 5645628 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The spelling of 1021436430930 in words is "one trillion, twenty-one billion, four hundred thirty-six million, four hundred thirty thousand, nine hundred thirty".