2261403727 has 6 divisors (see below), whose sum is σ = 2485675304. Its totient is φ = 2055821460.

The previous prime is 2261403679. The next prime is 2261403761. The reversal of 2261403727 is 7273041622.

It is not a de Polignac number, because 2261403727 - 2¹⁵ = 2261370959 is a prime.

It is a super-2 number, since 2×2261403727² = 10227893632978981058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2261403692 and 2261403701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2261403797) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9344523 + ... + 9344764.

Almost surely, 2^2261403727 is an apocalyptic number.

2261403727 is a deficient number, since it is larger than the sum of its proper divisors (224271577).

2261403727 is a wasteful number, since it uses less digits than its factorization.

2261403727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18689309 (or 18689298 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 2261403727 is about 47554.2188138970. The cubic root of 2261403727 is about 1312.5807615550.

The spelling of 2261403727 in words is "two billion, two hundred sixty-one million, four hundred three thousand, seven hundred twenty-seven".