1947984080530 has 16 divisors (see below), whose sum is σ = 3506387446080. Its totient is φ = 779190054192.

The previous prime is 1947984080521. The next prime is 1947984080561. The reversal of 1947984080530 is 350804897491.

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, 3489061 + ... + 4008679.

It is an arithmetic number, because the mean of its divisors is an integer number (219149215380).

Almost surely, 2^{1947984080530} is an apocalyptic number.

1947984080530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1947984080530 is a deficient number, since it is larger than the sum of its proper divisors (1558403365550).

1947984080530 is a wasteful number, since it uses less digits than its factorization.

1947984080530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894513.

The product of its (nonzero) digits is 8709120, while the sum is 58.

The spelling of 1947984080530 in words is "one trillion, nine hundred forty-seven billion, nine hundred eighty-four million, eighty thousand, five hundred thirty".