1988713262 has 8 divisors (see below), whose sum is σ = 3112768656. Its totient is φ = 951123712.

The previous prime is 1988713249. The next prime is 1988713267. The reversal of 1988713262 is 2623178891.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1988713267) 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, 21616403 + ... + 21616494.

It is an arithmetic number, because the mean of its divisors is an integer number (389096082).

Almost surely, 2^1988713262 is an apocalyptic number.

1988713262 is a deficient number, since it is larger than the sum of its proper divisors (1124055394).

1988713262 is a wasteful number, since it uses less digits than its factorization.

1988713262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43232922.

The product of its digits is 290304, while the sum is 47.

The square root of 1988713262 is about 44594.9914452285. The cubic root of 1988713262 is about 1257.5465110124.

The spelling of 1988713262 in words is "one billion, nine hundred eighty-eight million, seven hundred thirteen thousand, two hundred sixty-two".