2038458661 has 8 divisors (see below), whose sum is σ = 2227993344. Its totient is φ = 1856660160.

The previous prime is 2038458637. The next prime is 2038458679. The reversal of 2038458661 is 1668548302.

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

It is a cyclic number.

It is not a de Polignac number, because 2038458661 - 2¹¹ = 2038456613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2038458061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1933495 + ... + 1934548.

It is an arithmetic number, because the mean of its divisors is an integer number (278499168).

Almost surely, 2^2038458661 is an apocalyptic number.

It is an amenable number.

2038458661 is a deficient number, since it is larger than the sum of its proper divisors (189534683).

2038458661 is a wasteful number, since it uses less digits than its factorization.

2038458661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3868091.

The product of its (nonzero) digits is 276480, while the sum is 43.

The square root of 2038458661 is about 45149.2930287950. The cubic root of 2038458661 is about 1267.9456444986.

The spelling of 2038458661 in words is "two billion, thirty-eight million, four hundred fifty-eight thousand, six hundred sixty-one".