2804138749431 has 6 divisors (see below), whose sum is σ = 4050422638080. Its totient is φ = 1869425832948.

The previous prime is 2804138749429. The next prime is 2804138749463. The reversal of 2804138749431 is 1349478314082.

2804138749431 is a `hidden beast` number, since 2 + 8 + 0 + 4 + 138 + 74 + 9 + 431 = 666.

It is not a de Polignac number, because 2804138749431 - 2¹ = 2804138749429 is a prime.

It is a super-2 number, since 2×2804138749431² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2804138749481) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 155785486071 + ... + 155785486088.

It is an arithmetic number, because the mean of its divisors is an integer number (675070439680).

Almost surely, 2^{2804138749431} is an apocalyptic number.

2804138749431 is a deficient number, since it is larger than the sum of its proper divisors (1246283888649).

2804138749431 is a wasteful number, since it uses less digits than its factorization.

2804138749431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311570972165 (or 311570972162 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 54.

The spelling of 2804138749431 in words is "two trillion, eight hundred four billion, one hundred thirty-eight million, seven hundred forty-nine thousand, four hundred thirty-one".