1982936801 has 4 divisors (see below), whose sum is σ = 1984483632. Its totient is φ = 1981389972.

The previous prime is 1982936779. The next prime is 1982936803. The reversal of 1982936801 is 1086392891.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1086392891 = 223 ⋅4871717.

It is a cyclic number.

It is not a de Polignac number, because 1982936801 - 2²² = 1978742497 is a prime.

It is a super-2 number, since 2×1982936801² = 7864076713520227202, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1982936803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 771491 + ... + 774056.

It is an arithmetic number, because the mean of its divisors is an integer number (496120908).

Almost surely, 2^1982936801 is an apocalyptic number.

It is an amenable number.

1982936801 is a deficient number, since it is larger than the sum of its proper divisors (1546831).

1982936801 is a wasteful number, since it uses less digits than its factorization.

1982936801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1546830.

The product of its (nonzero) digits is 186624, while the sum is 47.

The square root of 1982936801 is about 44530.1785421976. The cubic root of 1982936801 is about 1256.3277643470.

The spelling of 1982936801 in words is "one billion, nine hundred eighty-two million, nine hundred thirty-six thousand, eight hundred one".