15338942073 has 192 divisors, whose sum is σ = 29587783680. Its totient is φ = 7439040000.

The previous prime is 15338942063. The next prime is 15338942081. The reversal of 15338942073 is 37024983351.

15338942073 is a `hidden beast` number, since 1 + 533 + 8 + 9 + 42 + 0 + 73 = 666.

It is not a de Polignac number, because 15338942073 - 2⁶ = 15338942009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15338942023) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 61111198 + ... + 61111448.

It is an arithmetic number, because the mean of its divisors is an integer number (154103040).

Almost surely, 2^15338942073 is an apocalyptic number.

15338942073 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

15338942073 is a deficient number, since it is larger than the sum of its proper divisors (14248841607).

15338942073 is a wasteful number, since it uses less digits than its factorization.

15338942073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420 (or 417 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The spelling of 15338942073 in words is "fifteen billion, three hundred thirty-eight million, nine hundred forty-two thousand, seventy-three".