938538461554 has 16 divisors (see below), whose sum is σ = 1456375878720. Its totient is φ = 453080348560.

The previous prime is 938538461543. The next prime is 938538461569. The reversal of 938538461554 is 455164835839.

It is a super-2 number, since 2×938538461554² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 938538461492 and 938538461501.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6400947 + ... + 6545929.

It is an arithmetic number, because the mean of its divisors is an integer number (91023492420).

Almost surely, 2^938538461554 is an apocalyptic number.

938538461554 is a deficient number, since it is larger than the sum of its proper divisors (517837417166).

938538461554 is a wasteful number, since it uses less digits than its factorization.

938538461554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256625.

The product of its digits is 62208000, while the sum is 61.

The spelling of 938538461554 in words is "nine hundred thirty-eight billion, five hundred thirty-eight million, four hundred sixty-one thousand, five hundred fifty-four".