1974997516 has 12 divisors (see below), whose sum is σ = 3470017320. Its totient is φ = 983564000.

The previous prime is 1974997501. The next prime is 1974997529. The reversal of 1974997516 is 6157994791.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 982561 + ... + 984568.

It is an arithmetic number, because the mean of its divisors is an integer number (289168110).

Almost surely, 2^1974997516 is an apocalyptic number.

It is an amenable number.

1974997516 is a deficient number, since it is larger than the sum of its proper divisors (1495019804).

1974997516 is a wasteful number, since it uses less digits than its factorization.

1974997516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1967384 (or 1967382 counting only the distinct ones).

The product of its digits is 4286520, while the sum is 58.

The square root of 1974997516 is about 44440.9441393857. The cubic root of 1974997516 is about 1254.6488260465.

The spelling of 1974997516 in words is "one billion, nine hundred seventy-four million, nine hundred ninety-seven thousand, five hundred sixteen".