49898103638 has 8 divisors (see below), whose sum is σ = 76672695960. Its totient is φ = 24340538320.

The previous prime is 49898103637. The next prime is 49898103643. The reversal of 49898103638 is 83630189894.

49898103638 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49898103631) 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, 304256648 + ... + 304256811.

It is an arithmetic number, because the mean of its divisors is an integer number (9584086995).

Almost surely, 2^49898103638 is an apocalyptic number.

49898103638 is a deficient number, since it is larger than the sum of its proper divisors (26774592322).

49898103638 is a wasteful number, since it uses less digits than its factorization.

49898103638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608513502.

The product of its (nonzero) digits is 8957952, while the sum is 59.

The spelling of 49898103638 in words is "forty-nine billion, eight hundred ninety-eight million, one hundred three thousand, six hundred thirty-eight".