2261449263 has 16 divisors (see below), whose sum is σ = 3155901696. Its totient is φ = 1437712320.

The previous prime is 2261449237. The next prime is 2261449277. The reversal of 2261449263 is 3629441622.

It is not a de Polignac number, because 2261449263 - 2⁵ = 2261449231 is a prime.

It is a super-2 number, since 2×2261449263² = 10228305538246486338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2261429263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26670 + ... + 72347.

It is an arithmetic number, because the mean of its divisors is an integer number (197243856).

Almost surely, 2^2261449263 is an apocalyptic number.

2261449263 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2261449263 is a deficient number, since it is larger than the sum of its proper divisors (894452433).

2261449263 is a wasteful number, since it uses less digits than its factorization.

2261449263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99374.

The product of its digits is 124416, while the sum is 39.

The square root of 2261449263 is about 47554.6975913001. The cubic root of 2261449263 is about 1312.5895716104.

The spelling of 2261449263 in words is "two billion, two hundred sixty-one million, four hundred forty-nine thousand, two hundred sixty-three".