1982553147 has 6 divisors (see below), whose sum is σ = 2863687892. Its totient is φ = 1321702092.

The previous prime is 1982553143. The next prime is 1982553193. The reversal of 1982553147 is 7413552891.

1982553147 is a `hidden beast` number, since 1 + 9 + 82 + 553 + 14 + 7 = 666.

It is not a de Polignac number, because 1982553147 - 2² = 1982553143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1982553143) 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, 110141833 + ... + 110141850.

Almost surely, 2^1982553147 is an apocalyptic number.

1982553147 is a deficient number, since it is larger than the sum of its proper divisors (881134745).

1982553147 is a wasteful number, since it uses less digits than its factorization.

1982553147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220283689 (or 220283686 counting only the distinct ones).

The product of its digits is 302400, while the sum is 45.

The square root of 1982553147 is about 44525.8705361276. The cubic root of 1982553147 is about 1256.2467353298.

The spelling of 1982553147 in words is "one billion, nine hundred eighty-two million, five hundred fifty-three thousand, one hundred forty-seven".