38461538481 has 16 divisors (see below), whose sum is σ = 54075690240. Its totient is φ = 24248935440.

The previous prime is 38461538477. The next prime is 38461538491. The reversal of 38461538481 is 18483516483.

It is not a de Polignac number, because 38461538481 - 2² = 38461538477 is a prime.

It is a super-2 number, since 2×38461538481² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38461538431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 558315 + ... + 623408.

It is an arithmetic number, because the mean of its divisors is an integer number (3379730640).

Almost surely, 2^38461538481 is an apocalyptic number.

It is an amenable number.

38461538481 is a deficient number, since it is larger than the sum of its proper divisors (15614151759).

38461538481 is a wasteful number, since it uses less digits than its factorization.

38461538481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1182316.

The product of its digits is 2211840, while the sum is 51.

The spelling of 38461538481 in words is "thirty-eight billion, four hundred sixty-one million, five hundred thirty-eight thousand, four hundred eighty-one".