1982912610 has 64 divisors (see below), whose sum is σ = 5554593792. Its totient is φ = 443591616.

The previous prime is 1982912609. The next prime is 1982912611. The reversal of 1982912610 is 162192891.

It is an interprime number because it is at equal distance from previous prime (1982912609) and next prime (1982912611).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1982912611) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90582 + ... + 110321.

It is an arithmetic number, because the mean of its divisors is an integer number (86790528).

Almost surely, 2^1982912610 is an apocalyptic number.

1982912610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1982912610 is an abundant number, since it is smaller than the sum of its proper divisors (3571681182).

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

1982912610 is a wasteful number, since it uses less digits than its factorization.

1982912610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200967.

The product of its (nonzero) digits is 15552, while the sum is 39.

The square root of 1982912610 is about 44529.9069165881. The cubic root of 1982912610 is about 1256.3226554350.

The spelling of 1982912610 in words is "one billion, nine hundred eighty-two million, nine hundred twelve thousand, six hundred ten".