998349996043 has 2 divisors, whose sum is σ = 998349996044. Its totient is φ = 998349996042.

The previous prime is 998349996029. The next prime is 998349996101. The reversal of 998349996043 is 340699943899.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 998349996043 - 2¹³ = 998349987851 is a prime.

It is not a weakly prime, because it can be changed into another prime (998349996643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499174998021 + 499174998022.

It is an arithmetic number, because the mean of its divisors is an integer number (499174998022).

Almost surely, 2^998349996043 is an apocalyptic number.

998349996043 is a deficient number, since it is larger than the sum of its proper divisors (1).

998349996043 is an equidigital number, since it uses as much as digits as its factorization.

998349996043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 408146688, while the sum is 73.

The spelling of 998349996043 in words is "nine hundred ninety-eight billion, three hundred forty-nine million, nine hundred ninety-six thousand, forty-three".