1974868450 has 12 divisors (see below), whose sum is σ = 3673255410. Its totient is φ = 789947360.

The previous prime is 1974868433. The next prime is 1974868517. The reversal of 1974868450 is 548684791.

It can be written as a sum of positive squares in 3 ways, for example, as 1334221729 + 640646721 = 36527^2 + 25311^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19748635 + ... + 19748734.

Almost surely, 2^1974868450 is an apocalyptic number.

1974868450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1974868450 is a deficient number, since it is larger than the sum of its proper divisors (1698386960).

1974868450 is a wasteful number, since it uses less digits than its factorization.

1974868450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39497381 (or 39497376 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 52.

The square root of 1974868450 is about 44439.4920087978. The cubic root of 1974868450 is about 1254.6214950361.

The spelling of 1974868450 in words is "one billion, nine hundred seventy-four million, eight hundred sixty-eight thousand, four hundred fifty".