63098928091 has 2 divisors, whose sum is σ = 63098928092. Its totient is φ = 63098928090.

The previous prime is 63098928017. The next prime is 63098928107. The reversal of 63098928091 is 19082989036.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63098928091 - 2⁹ = 63098927579 is a prime.

It is a super-4 number, since 4×63098928091⁴ (a number of 44 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (63098928691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31549464045 + 31549464046.

It is an arithmetic number, because the mean of its divisors is an integer number (31549464046).

Almost surely, 2^63098928091 is an apocalyptic number.

63098928091 is a deficient number, since it is larger than the sum of its proper divisors (1).

63098928091 is an equidigital number, since it uses as much as digits as its factorization.

63098928091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1679616, while the sum is 55.

The spelling of 63098928091 in words is "sixty-three billion, ninety-eight million, nine hundred twenty-eight thousand, ninety-one".