103405366643 has 4 divisors (see below), whose sum is σ = 106200106320. Its totient is φ = 100610626968.

The previous prime is 103405366621. The next prime is 103405366679. The reversal of 103405366643 is 346663504301.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 103405366643 - 2¹⁰ = 103405365619 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103405366643.

It is not an unprimeable number, because it can be changed into a prime (103405566643) 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, 1397369783 + ... + 1397369856.

It is an arithmetic number, because the mean of its divisors is an integer number (26550026580).

Almost surely, 2^103405366643 is an apocalyptic number.

103405366643 is a deficient number, since it is larger than the sum of its proper divisors (2794739677).

103405366643 is an equidigital number, since it uses as much as digits as its factorization.

103405366643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2794739676.

The product of its (nonzero) digits is 466560, while the sum is 41.

The spelling of 103405366643 in words is "one hundred three billion, four hundred five million, three hundred sixty-six thousand, six hundred forty-three".