38949773977338 has 32 divisors (see below), whose sum is σ = 90281971077120. Its totient is φ = 10971767316720.

The previous prime is 38949773977337. The next prime is 38949773977417. The reversal of 38949773977338 is 83377937794983.

It is not an unprimeable number, because it can be changed into a prime (38949773977337) 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, 6530810898 + ... + 6530816861.

It is an arithmetic number, because the mean of its divisors is an integer number (2821311596160).

Almost surely, 2^{38949773977338} is an apocalyptic number.

38949773977338 is an abundant number, since it is smaller than the sum of its proper divisors (51332197099782).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38949773977338 is a wasteful number, since it uses less digits than its factorization.

38949773977338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13061627842.

The product of its digits is 36294822144, while the sum is 87.

The spelling of 38949773977338 in words is "thirty-eight trillion, nine hundred forty-nine billion, seven hundred seventy-three million, nine hundred seventy-seven thousand, three hundred thirty-eight".