1948869982 has 4 divisors (see below), whose sum is σ = 2923304976. Its totient is φ = 974434990.

The previous prime is 1948869973. The next prime is 1948870003. The reversal of 1948869982 is 2899688491.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 487217494 + ... + 487217497.

It is an arithmetic number, because the mean of its divisors is an integer number (730826244).

Almost surely, 2^1948869982 is an apocalyptic number.

1948869982 is a deficient number, since it is larger than the sum of its proper divisors (974434994).

1948869982 is an equidigital number, since it uses as much as digits as its factorization.

1948869982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974434993.

The product of its digits is 17915904, while the sum is 64.

The square root of 1948869982 is about 44146.0075431516. The cubic root of 1948869982 is about 1249.0916028383.

The spelling of 1948869982 in words is "one billion, nine hundred forty-eight million, eight hundred sixty-nine thousand, nine hundred eighty-two".