107405366821 has 4 divisors (see below), whose sum is σ = 107451054144. Its totient is φ = 107359679500.

The previous prime is 107405366819. The next prime is 107405366833. The reversal of 107405366821 is 128663504701.

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 not a de Polignac number, because 107405366821 - 2¹ = 107405366819 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107405366851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22840135 + ... + 22844836.

It is an arithmetic number, because the mean of its divisors is an integer number (26862763536).

Almost surely, 2^107405366821 is an apocalyptic number.

It is an amenable number.

107405366821 is a deficient number, since it is larger than the sum of its proper divisors (45687323).

107405366821 is an equidigital number, since it uses as much as digits as its factorization.

107405366821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45687322.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 107405366821 in words is "one hundred seven billion, four hundred five million, three hundred sixty-six thousand, eight hundred twenty-one".