2038781996361 has 48 divisors (see below), whose sum is σ = 3275516050560. Its totient is φ = 1211469442560.

The previous prime is 2038781996351. The next prime is 2038781996399. The reversal of 2038781996361 is 1636991878302.

2038781996361 is a `hidden beast` number, since 2 + 0 + 3 + 87 + 8 + 199 + 6 + 361 = 666.

It is not a de Polignac number, because 2038781996361 - 2¹³ = 2038781988169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2038781996351) 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, 7458145 + ... + 7726673.

It is an arithmetic number, because the mean of its divisors is an integer number (68239917720).

Almost surely, 2^{2038781996361} is an apocalyptic number.

It is an amenable number.

2038781996361 is a deficient number, since it is larger than the sum of its proper divisors (1236734054199).

2038781996361 is a wasteful number, since it uses less digits than its factorization.

2038781996361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270046 (or 270043 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 63.

The spelling of 2038781996361 in words is "two trillion, thirty-eight billion, seven hundred eighty-one million, nine hundred ninety-six thousand, three hundred sixty-one".