1988486342 has 4 divisors (see below), whose sum is σ = 2982729516. Its totient is φ = 994243170.

The previous prime is 1988486341. The next prime is 1988486369. The reversal of 1988486342 is 2436848891.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2436848891 = 887 ⋅2747293.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1988486341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497121584 + ... + 497121587.

It is an arithmetic number, because the mean of its divisors is an integer number (745682379).

Almost surely, 2^1988486342 is an apocalyptic number.

1988486342 is a deficient number, since it is larger than the sum of its proper divisors (994243174).

1988486342 is an equidigital number, since it uses as much as digits as its factorization.

1988486342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994243173.

The product of its digits is 2654208, while the sum is 53.

The square root of 1988486342 is about 44592.4471407435. The cubic root of 1988486342 is about 1257.4986788598.

The spelling of 1988486342 in words is "one billion, nine hundred eighty-eight million, four hundred eighty-six thousand, three hundred forty-two".