10201400491 has 2 divisors, whose sum is σ = 10201400492. Its totient is φ = 10201400490.

The previous prime is 10201400467. The next prime is 10201400501. The reversal of 10201400491 is 19400410201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10201400491 - 2⁹ = 10201399979 is a prime.

It is not a weakly prime, because it can be changed into another prime (10201400401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5100700245 + 5100700246.

It is an arithmetic number, because the mean of its divisors is an integer number (5100700246).

Almost surely, 2^10201400491 is an apocalyptic number.

10201400491 is a deficient number, since it is larger than the sum of its proper divisors (1).

10201400491 is an equidigital number, since it uses as much as digits as its factorization.

10201400491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 10201400491 its reverse (19400410201), we get a palindrome (29601810692).

The spelling of 10201400491 in words is "ten billion, two hundred one million, four hundred thousand, four hundred ninety-one".