100450541393 has 2 divisors, whose sum is σ = 100450541394. Its totient is φ = 100450541392.

The previous prime is 100450541383. The next prime is 100450541413. The reversal of 100450541393 is 393145054001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100275455569 + 175085824 = 316663^2 + 13232^2 .

It is a cyclic number.

It is not a de Polignac number, because 100450541393 - 2⁴ = 100450541377 is a prime.

It is a super-2 number, since 2×100450541393² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (100450541383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50225270696 + 50225270697.

It is an arithmetic number, because the mean of its divisors is an integer number (50225270697).

Almost surely, 2^100450541393 is an apocalyptic number.

It is an amenable number.

100450541393 is a deficient number, since it is larger than the sum of its proper divisors (1).

100450541393 is an equidigital number, since it uses as much as digits as its factorization.

100450541393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 35.

Adding to 100450541393 its reverse (393145054001), we get a palindrome (493595595394).

The spelling of 100450541393 in words is "one hundred billion, four hundred fifty million, five hundred forty-one thousand, three hundred ninety-three".