4249277901 has 20 divisors (see below), whose sum is σ = 6924750624. Its totient is φ = 2575319400.

The previous prime is 4249277897. The next prime is 4249277917. The reversal of 4249277901 is 1097729424.

It is a happy number.

4249277901 is a `hidden beast` number, since 4 + 2 + 492 + 77 + 90 + 1 = 666.

It is not a de Polignac number, because 4249277901 - 2² = 4249277897 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4249277801) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2383665 + ... + 2385446.

Almost surely, 2^4249277901 is an apocalyptic number.

It is an amenable number.

4249277901 is a deficient number, since it is larger than the sum of its proper divisors (2675472723).

4249277901 is a wasteful number, since it uses less digits than its factorization.

4249277901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4769134 (or 4769125 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 4249277901 is about 65186.4855702468. The cubic root of 4249277901 is about 1619.7141573861.

The spelling of 4249277901 in words is "four billion, two hundred forty-nine million, two hundred seventy-seven thousand, nine hundred one".