1973685834 has 48 divisors (see below), whose sum is σ = 4330003392. Its totient is φ = 649676544.

The previous prime is 1973685811. The next prime is 1973685851. The reversal of 1973685834 is 4385863791.

It is a Curzon number.

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, 678427 + ... + 681329.

It is an arithmetic number, because the mean of its divisors is an integer number (90208404).

Almost surely, 2^1973685834 is an apocalyptic number.

1973685834 is an abundant number, since it is smaller than the sum of its proper divisors (2356317558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1973685834 is a wasteful number, since it uses less digits than its factorization.

1973685834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3371 (or 3368 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The square root of 1973685834 is about 44426.1841035217. The cubic root of 1973685834 is about 1254.3710088628.

It can be divided in two parts, 19736 and 85834, that added together give a triangular number (105570 = T₄₅₉).

The spelling of 1973685834 in words is "one billion, nine hundred seventy-three million, six hundred eighty-five thousand, eight hundred thirty-four".