100340443477 has 4 divisors (see below), whose sum is σ = 100344821760. Its totient is φ = 100336065196.

The previous prime is 100340443387. The next prime is 100340443481. The reversal of 100340443477 is 774344043001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100340443477 is a prime.

It is a super-2 number, since 2×100340443477² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100340443277) 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 3 ways as a sum of consecutive naturals, for example, 2154583 + ... + 2200660.

It is an arithmetic number, because the mean of its divisors is an integer number (25086205440).

Almost surely, 2^100340443477 is an apocalyptic number.

It is an amenable number.

100340443477 is a deficient number, since it is larger than the sum of its proper divisors (4378283).

100340443477 is an equidigital number, since it uses as much as digits as its factorization.

100340443477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4378282.

The product of its (nonzero) digits is 112896, while the sum is 37.

Adding to 100340443477 its reverse (774344043001), we get a palindrome (874684486478).

The spelling of 100340443477 in words is "one hundred billion, three hundred forty million, four hundred forty-three thousand, four hundred seventy-seven".