998426000902 has 16 divisors (see below), whose sum is σ = 1633844049552. Its totient is φ = 453814431520.

The previous prime is 998426000867. The next prime is 998426000903. The reversal of 998426000902 is 209000624899.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998426000903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109813 + ... + 1417360.

It is an arithmetic number, because the mean of its divisors is an integer number (102115253097).

Almost surely, 2^998426000902 is an apocalyptic number.

998426000902 is a deficient number, since it is larger than the sum of its proper divisors (635418048650).

998426000902 is a wasteful number, since it uses less digits than its factorization.

998426000902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1556903.

The product of its (nonzero) digits is 559872, while the sum is 49.

The spelling of 998426000902 in words is "nine hundred ninety-eight billion, four hundred twenty-six million, nine hundred two", and thus it is an aban number.