338541998949 has 48 divisors (see below), whose sum is σ = 623847105024. Its totient is φ = 171776052000.

The previous prime is 338541998939. The next prime is 338541998983. The reversal of 338541998949 is 949899145833.

338541998949 is a `hidden beast` number, since 3 + 3 + 85 + 419 + 98 + 9 + 49 = 666.

It is not a de Polignac number, because 338541998949 - 2¹¹ = 338541996901 is a prime.

It is a super-2 number, since 2×338541998949² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338541998929) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5650627 + ... + 5710224.

It is an arithmetic number, because the mean of its divisors is an integer number (12996814688).

Almost surely, 2^338541998949 is an apocalyptic number.

It is an amenable number.

338541998949 is a deficient number, since it is larger than the sum of its proper divisors (285305106075).

338541998949 is a wasteful number, since it uses less digits than its factorization.

338541998949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11360918 (or 11360915 counting only the distinct ones).

The product of its digits is 302330880, while the sum is 72.

The spelling of 338541998949 in words is "three hundred thirty-eight billion, five hundred forty-one million, nine hundred ninety-eight thousand, nine hundred forty-nine".