1002202742498 has 4 divisors (see below), whose sum is σ = 1503304113750. Its totient is φ = 501101371248.

The previous prime is 1002202742477. The next prime is 1002202742507. The reversal of 1002202742498 is 8942472022001.

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

It can be written as a sum of positive squares in only one way, i.e., 904775732809 + 97427009689 = 951197^2 + 312133^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250550685623 + ... + 250550685626.

Almost surely, 2^{1002202742498} is an apocalyptic number.

1002202742498 is a deficient number, since it is larger than the sum of its proper divisors (501101371252).

1002202742498 is an equidigital number, since it uses as much as digits as its factorization.

1002202742498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501101371251.

The product of its (nonzero) digits is 129024, while the sum is 41.

Adding to 1002202742498 its reverse (8942472022001), we get a palindrome (9944674764499).

The spelling of 1002202742498 in words is "one trillion, two billion, two hundred two million, seven hundred forty-two thousand, four hundred ninety-eight".