403400007109 has 4 divisors (see below), whose sum is σ = 440072735040. Its totient is φ = 366727279180.

The previous prime is 403400007107. The next prime is 403400007139. The reversal of 403400007109 is 901700004304.

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 403400007109 - 2¹ = 403400007107 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 (403400007103) 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, 18336363949 + ... + 18336363970.

It is an arithmetic number, because the mean of its divisors is an integer number (110018183760).

Almost surely, 2^403400007109 is an apocalyptic number.

It is an amenable number.

403400007109 is a deficient number, since it is larger than the sum of its proper divisors (36672727931).

403400007109 is a wasteful number, since it uses less digits than its factorization.

403400007109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36672727930.

The product of its (nonzero) digits is 3024, while the sum is 28.

The spelling of 403400007109 in words is "four hundred three billion, four hundred million, seven thousand, one hundred nine".