10042631405 has 4 divisors (see below), whose sum is σ = 12051157692. Its totient is φ = 8034105120.

The previous prime is 10042631377. The next prime is 10042631413. The reversal of 10042631405 is 50413624001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50413624001 = 13 ⋅3877971077.

It can be written as a sum of positive squares in 2 ways, for example, as 3555617641 + 6487013764 = 59629^2 + 80542^2 .

It is not a de Polignac number, because 10042631405 - 2¹⁴ = 10042615021 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, 1004263136 + ... + 1004263145.

It is an arithmetic number, because the mean of its divisors is an integer number (3012789423).

Almost surely, 2^10042631405 is an apocalyptic number.

It is an amenable number.

10042631405 is a deficient number, since it is larger than the sum of its proper divisors (2008526287).

10042631405 is an equidigital number, since it uses as much as digits as its factorization.

10042631405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2008526286.

The product of its (nonzero) digits is 2880, while the sum is 26.

The spelling of 10042631405 in words is "ten billion, forty-two million, six hundred thirty-one thousand, four hundred five".