2249381901 has 16 divisors (see below), whose sum is σ = 3304997696. Its totient is φ = 1352042496.

The previous prime is 2249381891. The next prime is 2249381909. The reversal of 2249381901 is 1091839422.

It is not a de Polignac number, because 2249381901 - 2²² = 2245187597 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 2249381901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2249381909) 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, 668980 + ... + 672333.

It is an arithmetic number, because the mean of its divisors is an integer number (206562356).

Almost surely, 2^2249381901 is an apocalyptic number.

It is an amenable number.

2249381901 is a deficient number, since it is larger than the sum of its proper divisors (1055615795).

2249381901 is a wasteful number, since it uses less digits than its factorization.

2249381901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1341372.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 2249381901 is about 47427.6491194746. The cubic root of 2249381901 is about 1310.2506951792.

The spelling of 2249381901 in words is "two billion, two hundred forty-nine million, three hundred eighty-one thousand, nine hundred one".