938538762505 has 16 divisors (see below), whose sum is σ = 1127629883520. Its totient is φ = 749909000448.

The previous prime is 938538762431. The next prime is 938538762509. The reversal of 938538762505 is 505267835839.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 938538762505 - 2¹⁹ = 938538238217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (938538762509) 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, 63739074 + ... + 63753796.

It is an arithmetic number, because the mean of its divisors is an integer number (70476867720).

Almost surely, 2^938538762505 is an apocalyptic number.

It is an amenable number.

938538762505 is a deficient number, since it is larger than the sum of its proper divisors (189091121015).

938538762505 is a wasteful number, since it uses less digits than its factorization.

938538762505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29520.

The product of its (nonzero) digits is 54432000, while the sum is 61.

The spelling of 938538762505 in words is "nine hundred thirty-eight billion, five hundred thirty-eight million, seven hundred sixty-two thousand, five hundred five".