1973531048 has 24 divisors (see below), whose sum is σ = 3762903690. Its totient is φ = 970106400.

The previous prime is 1973531047. The next prime is 1973531051. The reversal of 1973531048 is 8401353791.

It can be written as a sum of positive squares in only one way, i.e., 1957354564 + 16176484 = 44242^2 + 4022^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1973530996 and 1973531014.

It is not an unprimeable number, because it can be changed into a prime (1973531041) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 980363 + ... + 982373.

Almost surely, 2^1973531048 is an apocalyptic number.

It is an amenable number.

1973531048 is a deficient number, since it is larger than the sum of its proper divisors (1789372642).

1973531048 is an frugal number, since it uses more digits than its factorization.

1973531048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4089 (or 2074 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 1973531048 is about 44424.4420111272. The cubic root of 1973531048 is about 1254.3382167228.

The spelling of 1973531048 in words is "one billion, nine hundred seventy-three million, five hundred thirty-one thousand, forty-eight".