2086250638 has 4 divisors (see below), whose sum is σ = 3129375960. Its totient is φ = 1043125318.

The previous prime is 2086250629. The next prime is 2086250641. The reversal of 2086250638 is 8360526802.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2086250638.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521562658 + ... + 521562661.

It is an arithmetic number, because the mean of its divisors is an integer number (782343990).

Almost surely, 2^2086250638 is an apocalyptic number.

2086250638 is a deficient number, since it is larger than the sum of its proper divisors (1043125322).

2086250638 is a wasteful number, since it uses less digits than its factorization.

2086250638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043125321.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 2086250638 is about 45675.4927504893. The cubic root of 2086250638 is about 1277.7782580974.

The spelling of 2086250638 in words is "two billion, eighty-six million, two hundred fifty thousand, six hundred thirty-eight".