100857687433 has 2 divisors, whose sum is σ = 100857687434. Its totient is φ = 100857687432.

The previous prime is 100857687361. The next prime is 100857687443. The reversal of 100857687433 is 334786758001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92216683584 + 8641003849 = 303672^2 + 92957^2 .

It is an emirp because it is prime and its reverse (334786758001) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100857687433 is a prime.

It is a super-2 number, since 2×100857687433² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (100857687443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50428843716 + 50428843717.

It is an arithmetic number, because the mean of its divisors is an integer number (50428843717).

Almost surely, 2^100857687433 is an apocalyptic number.

It is an amenable number.

100857687433 is a deficient number, since it is larger than the sum of its proper divisors (1).

100857687433 is an equidigital number, since it uses as much as digits as its factorization.

100857687433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3386880, while the sum is 52.

The spelling of 100857687433 in words is "one hundred billion, eight hundred fifty-seven million, six hundred eighty-seven thousand, four hundred thirty-three".