4126315409 has 4 divisors (see below), whose sum is σ = 4126451940. Its totient is φ = 4126178880.

The previous prime is 4126315397. The next prime is 4126315423. The reversal of 4126315409 is 9045136214.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9045136214 = 2 ⋅4522568107.

It can be written as a sum of positive squares in 2 ways, for example, as 3531687184 + 594628225 = 59428^2 + 24385^2 .

It is a cyclic number.

It is not a de Polignac number, because 4126315409 - 2⁴ = 4126315393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4126315909) 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, 524 + ... + 90845.

It is an arithmetic number, because the mean of its divisors is an integer number (1031612985).

Almost surely, 2^4126315409 is an apocalyptic number.

It is an amenable number.

4126315409 is a deficient number, since it is larger than the sum of its proper divisors (136531).

4126315409 is an equidigital number, since it uses as much as digits as its factorization.

4126315409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136530.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 4126315409 is about 64236.4025222459. The cubic root of 4126315409 is about 1603.9376203967.

The spelling of 4126315409 in words is "four billion, one hundred twenty-six million, three hundred fifteen thousand, four hundred nine".