49905333998 has 8 divisors (see below), whose sum is σ = 80616308808. Its totient is φ = 23033231064.

The previous prime is 49905333991. The next prime is 49905334019. The reversal of 49905333998 is 89933350994.

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

It is a super-2 number, since 2×49905333998² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 49905333998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49905333991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 959717936 + ... + 959717987.

It is an arithmetic number, because the mean of its divisors is an integer number (10077038601).

Almost surely, 2^49905333998 is an apocalyptic number.

49905333998 is a deficient number, since it is larger than the sum of its proper divisors (30710974810).

49905333998 is a wasteful number, since it uses less digits than its factorization.

49905333998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1919435938.

The product of its (nonzero) digits is 28343520, while the sum is 62.

The spelling of 49905333998 in words is "forty-nine billion, nine hundred five million, three hundred thirty-three thousand, nine hundred ninety-eight".