1973050621216 has 48 divisors (see below), whose sum is σ = 4113244278360. Its totient is φ = 928425738240.

The previous prime is 1973050621207. The next prime is 1973050621231. The reversal of 1973050621216 is 6121260503791.

It can be written as a sum of positive squares in 4 ways, for example, as 1722446256400 + 250604364816 = 1312420^2 + 500604^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7641880 + ... + 7895848.

Almost surely, 2^{1973050621216} is an apocalyptic number.

1973050621216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1973050621216 is an abundant number, since it is smaller than the sum of its proper divisors (2140193657144).

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

1973050621216 is a wasteful number, since it uses less digits than its factorization.

1973050621216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268277 (or 268269 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 43.

The spelling of 1973050621216 in words is "one trillion, nine hundred seventy-three billion, fifty million, six hundred twenty-one thousand, two hundred sixteen".