201894052799 has 2 divisors, whose sum is σ = 201894052800. Its totient is φ = 201894052798.

The previous prime is 201894052783. The next prime is 201894052837. The reversal of 201894052799 is 997250498102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201894052799 - 2⁴ = 201894052783 is a prime.

It is a super-2 number, since 2×201894052799² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201894052769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100947026399 + 100947026400.

It is an arithmetic number, because the mean of its divisors is an integer number (100947026400).

Almost surely, 2^201894052799 is an apocalyptic number.

201894052799 is a deficient number, since it is larger than the sum of its proper divisors (1).

201894052799 is an equidigital number, since it uses as much as digits as its factorization.

201894052799 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3265920, while the sum is 56.

The spelling of 201894052799 in words is "two hundred one billion, eight hundred ninety-four million, fifty-two thousand, seven hundred ninety-nine".