38772954421749 has 48 divisors (see below), whose sum is σ = 59551029457920. Its totient is φ = 24240979188000.

The previous prime is 38772954421699. The next prime is 38772954421771. The reversal of 38772954421749 is 94712445927783.

It is a happy number.

38772954421749 is a `hidden beast` number, since 3 + 8 + 7 + 7 + 2 + 9 + 5 + 442 + 174 + 9 = 666.

It is not a de Polignac number, because 38772954421749 - 2⁹ = 38772954421237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38772954429749) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4225092 + ... + 9767154.

It is an arithmetic number, because the mean of its divisors is an integer number (1240646447040).

Almost surely, 2^{38772954421749} is an apocalyptic number.

It is an amenable number.

38772954421749 is a deficient number, since it is larger than the sum of its proper divisors (20778075036171).

38772954421749 is a wasteful number, since it uses less digits than its factorization.

38772954421749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5542502 (or 5542499 counting only the distinct ones).

The product of its digits is 853493760, while the sum is 72.

The spelling of 38772954421749 in words is "thirty-eight trillion, seven hundred seventy-two billion, nine hundred fifty-four million, four hundred twenty-one thousand, seven hundred forty-nine".