2063581426 has 8 divisors (see below), whose sum is σ = 3096660060. Its totient is φ = 1031361408.

The previous prime is 2063581423. The next prime is 2063581451. The reversal of 2063581426 is 6241853602.

It can be written as a sum of positive squares in 2 ways, for example, as 2061069201 + 2512225 = 45399^2 + 1585^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2063581423) 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, 208611 + ... + 218278.

Almost surely, 2^2063581426 is an apocalyptic number.

2063581426 is a deficient number, since it is larger than the sum of its proper divisors (1033078634).

2063581426 is a wasteful number, since it uses less digits than its factorization.

2063581426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429308.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 2063581426 is about 45426.6598596023. The cubic root of 2063581426 is about 1273.1332777056.

The spelling of 2063581426 in words is "two billion, sixty-three million, five hundred eighty-one thousand, four hundred twenty-six".