1021843374002 has 48 divisors (see below), whose sum is σ = 1726665557400. Its totient is φ = 452935929600.

The previous prime is 1021843373951. The next prime is 1021843374011. The reversal of 1021843374002 is 2004733481201.

It can be written as a sum of positive squares in 4 ways, for example, as 448780747921 + 573062626081 = 669911^2 + 757009^2 .

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, 22490324 + ... + 22535712.

Almost surely, 2^{1021843374002} is an apocalyptic number.

1021843374002 is a deficient number, since it is larger than the sum of its proper divisors (704822183398).

1021843374002 is a wasteful number, since it uses less digits than its factorization.

1021843374002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47723 (or 47712 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The spelling of 1021843374002 in words is "one trillion, twenty-one billion, eight hundred forty-three million, three hundred seventy-four thousand, two".