1982901583 has 4 divisors (see below), whose sum is σ = 2135432488. Its totient is φ = 1830370680.

The previous prime is 1982901551. The next prime is 1982901601. The reversal of 1982901583 is 3851092891.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3851092891 = 1847 ⋅2085053.

It is a cyclic number.

It is not a de Polignac number, because 1982901583 - 2⁵ = 1982901551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1982901533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76265433 + ... + 76265458.

It is an arithmetic number, because the mean of its divisors is an integer number (533858122).

Almost surely, 2^1982901583 is an apocalyptic number.

1982901583 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1982901583 is a deficient number, since it is larger than the sum of its proper divisors (152530905).

1982901583 is a wasteful number, since it uses less digits than its factorization.

1982901583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152530904.

The product of its (nonzero) digits is 155520, while the sum is 46.

The square root of 1982901583 is about 44529.7831007518. The cubic root of 1982901583 is about 1256.3203266224.

The spelling of 1982901583 in words is "one billion, nine hundred eighty-two million, nine hundred one thousand, five hundred eighty-three".