2251469631 has 8 divisors (see below), whose sum is σ = 3002624640. Its totient is φ = 1500647192.

The previous prime is 2251469629. The next prime is 2251469651. The reversal of 2251469631 is 1369641522.

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 2251469631 - 2¹ = 2251469629 is a prime.

It is a super-2 number, since 2×2251469631² = 10138230998630552322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2251469631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2251469651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66891 + ... + 94748.

It is an arithmetic number, because the mean of its divisors is an integer number (375328080).

Almost surely, 2^2251469631 is an apocalyptic number.

2251469631 is a deficient number, since it is larger than the sum of its proper divisors (751155009).

2251469631 is a wasteful number, since it uses less digits than its factorization.

2251469631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166285.

The product of its digits is 77760, while the sum is 39.

The square root of 2251469631 is about 47449.6536446790. The cubic root of 2251469631 is about 1310.6559329959.

The spelling of 2251469631 in words is "two billion, two hundred fifty-one million, four hundred sixty-nine thousand, six hundred thirty-one".