204737245451 has 2 divisors, whose sum is σ = 204737245452. Its totient is φ = 204737245450.

The previous prime is 204737245423. The next prime is 204737245459. The reversal of 204737245451 is 154542737402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 204737245451 - 2¹⁰ = 204737244427 is a prime.

It is not a weakly prime, because it can be changed into another prime (204737245459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102368622725 + 102368622726.

It is an arithmetic number, because the mean of its divisors is an integer number (102368622726).

Almost surely, 2^204737245451 is an apocalyptic number.

204737245451 is a deficient number, since it is larger than the sum of its proper divisors (1).

204737245451 is an equidigital number, since it uses as much as digits as its factorization.

204737245451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 940800, while the sum is 44.

The spelling of 204737245451 in words is "two hundred four billion, seven hundred thirty-seven million, two hundred forty-five thousand, four hundred fifty-one".