1038413405 has 4 divisors (see below), whose sum is σ = 1246096092. Its totient is φ = 830730720.

The previous prime is 1038413381. The next prime is 1038413423. The reversal of 1038413405 is 5043148301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5043148301 = 1163 ⋅4336327.

It can be written as a sum of positive squares in 2 ways, for example, as 777461689 + 260951716 = 27883^2 + 16154^2 .

It is not a de Polignac number, because 1038413405 - 2²⁶ = 971304541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103841336 + ... + 103841345.

It is an arithmetic number, because the mean of its divisors is an integer number (311524023).

Almost surely, 2^1038413405 is an apocalyptic number.

It is an amenable number.

1038413405 is a deficient number, since it is larger than the sum of its proper divisors (207682687).

1038413405 is an equidigital number, since it uses as much as digits as its factorization.

1038413405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207682686.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 1038413405 is about 32224.4224928857. The cubic root of 1038413405 is about 1012.6439256866.

The spelling of 1038413405 in words is "one billion, thirty-eight million, four hundred thirteen thousand, four hundred five".