100639263563 has 2 divisors, whose sum is σ = 100639263564. Its totient is φ = 100639263562.

The previous prime is 100639263559. The next prime is 100639263583. The reversal of 100639263563 is 365362936001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100639263563 - 2² = 100639263559 is a prime.

It is a super-2 number, since 2×100639263563² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (100639263523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50319631781 + 50319631782.

It is an arithmetic number, because the mean of its divisors is an integer number (50319631782).

Almost surely, 2^100639263563 is an apocalyptic number.

100639263563 is a deficient number, since it is larger than the sum of its proper divisors (1).

100639263563 is an equidigital number, since it uses as much as digits as its factorization.

100639263563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 524880, while the sum is 44.

The spelling of 100639263563 in words is "one hundred billion, six hundred thirty-nine million, two hundred sixty-three thousand, five hundred sixty-three".