82142189462 has 4 divisors (see below), whose sum is σ = 123213284196. Its totient is φ = 41071094730.

The previous prime is 82142189453. The next prime is 82142189471. The reversal of 82142189462 is 26498124128.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (82142189453) and next prime (82142189471).

It is a super-2 number, since 2×82142189462² (a number of 23 digits) contains 22 as substring.

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, 20535547364 + ... + 20535547367.

It is an arithmetic number, because the mean of its divisors is an integer number (30803321049).

Almost surely, 2^82142189462 is an apocalyptic number.

82142189462 is a deficient number, since it is larger than the sum of its proper divisors (41071094734).

82142189462 is a wasteful number, since it uses less digits than its factorization.

82142189462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41071094733.

The product of its digits is 442368, while the sum is 47.

The spelling of 82142189462 in words is "eighty-two billion, one hundred forty-two million, one hundred eighty-nine thousand, four hundred sixty-two".