6426604509998 has 4 divisors (see below), whose sum is σ = 9639906765000. Its totient is φ = 3213302254998.

The previous prime is 6426604509973. The next prime is 6426604510003. The reversal of 6426604509998 is 8999054066246.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1606651127498 + ... + 1606651127501.

It is an arithmetic number, because the mean of its divisors is an integer number (2409976691250).

Almost surely, 2^{6426604509998} is an apocalyptic number.

6426604509998 is a deficient number, since it is larger than the sum of its proper divisors (3213302255002).

6426604509998 is a wasteful number, since it uses less digits than its factorization.

6426604509998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3213302255001.

The product of its (nonzero) digits is 201553920, while the sum is 68.

The spelling of 6426604509998 in words is "six trillion, four hundred twenty-six billion, six hundred four million, five hundred nine thousand, nine hundred ninety-eight".