2251541663362 has 4 divisors (see below), whose sum is σ = 3377312495046. Its totient is φ = 1125770831680.

The previous prime is 2251541663359. The next prime is 2251541663401. The reversal of 2251541663362 is 2633661451522.

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

It can be written as a sum of positive squares in only one way, i.e., 2104063390521 + 147478272841 = 1450539^2 + 384029^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562885415839 + ... + 562885415842.

Almost surely, 2^{2251541663362} is an apocalyptic number.

2251541663362 is a deficient number, since it is larger than the sum of its proper divisors (1125770831684).

2251541663362 is a wasteful number, since it uses less digits than its factorization.

2251541663362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125770831683.

The product of its digits is 1555200, while the sum is 46.

The spelling of 2251541663362 in words is "two trillion, two hundred fifty-one billion, five hundred forty-one million, six hundred sixty-three thousand, three hundred sixty-two".