204139414751 has 2 divisors, whose sum is σ = 204139414752. Its totient is φ = 204139414750.

The previous prime is 204139414729. The next prime is 204139414757. The reversal of 204139414751 is 157414931402.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 204139414751 - 2²² = 204135220447 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 204139414699 and 204139414708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204139414757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102069707375 + 102069707376.

It is an arithmetic number, because the mean of its divisors is an integer number (102069707376).

Almost surely, 2^204139414751 is an apocalyptic number.

204139414751 is a deficient number, since it is larger than the sum of its proper divisors (1).

204139414751 is an equidigital number, since it uses as much as digits as its factorization.

204139414751 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 41.

The spelling of 204139414751 in words is "two hundred four billion, one hundred thirty-nine million, four hundred fourteen thousand, seven hundred fifty-one".