2938200306857 has 4 divisors (see below), whose sum is σ = 2938218220416. Its totient is φ = 2938182393300.

The previous prime is 2938200306781. The next prime is 2938200306989. The reversal of 2938200306857 is 7586030028392.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2938200306857 is a prime.

It is a super-2 number, since 2×2938200306857² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2938200306799 and 2938200306808.

It is not an unprimeable number, because it can be changed into a prime (2938200306257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8708453 + ... + 9039554.

It is an arithmetic number, because the mean of its divisors is an integer number (734554555104).

Almost surely, 2^{2938200306857} is an apocalyptic number.

It is an amenable number.

2938200306857 is a deficient number, since it is larger than the sum of its proper divisors (17913559).

2938200306857 is a wasteful number, since it uses less digits than its factorization.

2938200306857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17913558.

The product of its (nonzero) digits is 4354560, while the sum is 53.

The spelling of 2938200306857 in words is "two trillion, nine hundred thirty-eight billion, two hundred million, three hundred six thousand, eight hundred fifty-seven".