1982199534837 has 32 divisors (see below), whose sum is σ = 2727585793152. Its totient is φ = 1279499929344.

The previous prime is 1982199534827. The next prime is 1982199534839. The reversal of 1982199534837 is 7384359912891.

It is not a de Polignac number, because 1982199534837 - 2¹⁶ = 1982199469301 is a prime.

It is a super-2 number, since 2×1982199534837² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1982199534839) 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, 23737963 + ... + 23821319.

It is an arithmetic number, because the mean of its divisors is an integer number (85237056036).

Almost surely, 2^{1982199534837} is an apocalyptic number.

It is an amenable number.

1982199534837 is a deficient number, since it is larger than the sum of its proper divisors (745386258315).

1982199534837 is a wasteful number, since it uses less digits than its factorization.

1982199534837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84437.

The product of its digits is 117573120, while the sum is 69.

The spelling of 1982199534837 in words is "one trillion, nine hundred eighty-two billion, one hundred ninety-nine million, five hundred thirty-four thousand, eight hundred thirty-seven".