1943874652 has 12 divisors (see below), whose sum is σ = 3459438360. Its totient is φ = 955463696.

The previous prime is 1943874649. The next prime is 1943874679. The reversal of 1943874652 is 2564783491.

It is a happy number.

It is a super-2 number, since 2×1943874652² = 7557297325376242208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1943874596 and 1943874605.

It is a congruent number.

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, 4118143 + ... + 4118614.

It is an arithmetic number, because the mean of its divisors is an integer number (288286530).

Almost surely, 2^1943874652 is an apocalyptic number.

It is an amenable number.

1943874652 is a deficient number, since it is larger than the sum of its proper divisors (1515563708).

1943874652 is a wasteful number, since it uses less digits than its factorization.

1943874652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8236820 (or 8236818 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 49.

The square root of 1943874652 is about 44089.3938719960. The cubic root of 1943874652 is about 1248.0234687333.

The spelling of 1943874652 in words is "one billion, nine hundred forty-three million, eight hundred seventy-four thousand, six hundred fifty-two".