1949435873284 has 9 divisors (see below), whose sum is σ = 3411517665031. Its totient is φ = 974716540420.

The previous prime is 1949435873263. The next prime is 1949435873299. The reversal of 1949435873284 is 4823785349491.

The square root of 1949435873284 is 1396222.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2443389 + ... + 3141499.

Almost surely, 2^{1949435873284} is an apocalyptic number.

1949435873284 is the 1396222-nd square number.

It is an amenable number.

1949435873284 is a deficient number, since it is larger than the sum of its proper divisors (1462081791747).

1949435873284 is an frugal number, since it uses more digits than its factorization.

1949435873284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1396226 (or 698113 counting only the distinct ones).

The product of its digits is 209018880, while the sum is 67.

The spelling of 1949435873284 in words is "one trillion, nine hundred forty-nine billion, four hundred thirty-five million, eight hundred seventy-three thousand, two hundred eighty-four".