100363620643 has 16 divisors (see below), whose sum is σ = 117921678336. Its totient is φ = 84212670240.

The previous prime is 100363620593. The next prime is 100363620653. The reversal of 100363620643 is 346026363001.

It is a cyclic number.

It is not a de Polignac number, because 100363620643 - 2²¹ = 100361523491 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100363620599 and 100363620608.

It is not an unprimeable number, because it can be changed into a prime (100363620653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1658680 + ... + 1718122.

It is an arithmetic number, because the mean of its divisors is an integer number (7370104896).

Almost surely, 2^100363620643 is an apocalyptic number.

100363620643 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

100363620643 is a deficient number, since it is larger than the sum of its proper divisors (17558057693).

100363620643 is a wasteful number, since it uses less digits than its factorization.

100363620643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71274.

The product of its (nonzero) digits is 46656, while the sum is 34.

Adding to 100363620643 its reverse (346026363001), we get a palindrome (446389983644).

The spelling of 100363620643 in words is "one hundred billion, three hundred sixty-three million, six hundred twenty thousand, six hundred forty-three".