1992451002 has 8 divisors (see below), whose sum is σ = 3984902016. Its totient is φ = 664150332.

The previous prime is 1992451001. The next prime is 1992451009. The reversal of 1992451002 is 2001542991.

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

1992451002 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1992451001) 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, 166037578 + ... + 166037589.

It is an arithmetic number, because the mean of its divisors is an integer number (498112752).

Almost surely, 2^1992451002 is an apocalyptic number.

1992451002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1992451002 is a wasteful number, since it uses less digits than its factorization.

1992451002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332075172.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 1992451002 is about 44636.8793936135. The cubic root of 1992451002 is about 1258.3338610215. Note that the first 3 decimals are identical.

Adding to 1992451002 its reverse (2001542991), we get a palindrome (3993993993).

The spelling of 1992451002 in words is "one billion, nine hundred ninety-two million, four hundred fifty-one thousand, two".