100402363491 has 8 divisors (see below), whose sum is σ = 134158955520. Its totient is φ = 66790340232.

The previous prime is 100402363487. The next prime is 100402363493. The reversal of 100402363491 is 194363204001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100402363491 - 2² = 100402363487 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100402363493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36140571 + ... + 36143348.

It is an arithmetic number, because the mean of its divisors is an integer number (16769869440).

Almost surely, 2^100402363491 is an apocalyptic number.

100402363491 is a deficient number, since it is larger than the sum of its proper divisors (33756592029).

100402363491 is an equidigital number, since it uses as much as digits as its factorization.

100402363491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72284385.

The product of its (nonzero) digits is 15552, while the sum is 33.

Adding to 100402363491 its reverse (194363204001), we get a palindrome (294765567492).

The spelling of 100402363491 in words is "one hundred billion, four hundred two million, three hundred sixty-three thousand, four hundred ninety-one".