63040203091 has 2 divisors, whose sum is σ = 63040203092. Its totient is φ = 63040203090.

The previous prime is 63040203073. The next prime is 63040203119. The reversal of 63040203091 is 19030204036.

It is an a-pointer prime, because the next prime (63040203119) can be obtained adding 63040203091 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63040203091 - 2⁵ = 63040203059 is a prime.

It is not a weakly prime, because it can be changed into another prime (63040203041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31520101545 + 31520101546.

It is an arithmetic number, because the mean of its divisors is an integer number (31520101546).

Almost surely, 2^63040203091 is an apocalyptic number.

63040203091 is a deficient number, since it is larger than the sum of its proper divisors (1).

63040203091 is an equidigital number, since it uses as much as digits as its factorization.

63040203091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 28.

The spelling of 63040203091 in words is "sixty-three billion, forty million, two hundred three thousand, ninety-one".