2949411645 has 24 divisors (see below), whose sum is σ = 5113599192. Its totient is φ = 1572624000.

The previous prime is 2949411643. The next prime is 2949411649. The reversal of 2949411645 is 5461149492.

2949411645 is a `hidden beast` number, since 2 + 9 + 494 + 116 + 45 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 163788804 + 2785622841 = 12798^2 + 52779^2 .

It is not a de Polignac number, because 2949411645 - 2¹ = 2949411643 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2949411645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2949411643) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 296655 + ... + 306435.

It is an arithmetic number, because the mean of its divisors is an integer number (213066633).

Almost surely, 2^2949411645 is an apocalyptic number.

It is an amenable number.

2949411645 is a deficient number, since it is larger than the sum of its proper divisors (2164187547).

2949411645 is a wasteful number, since it uses less digits than its factorization.

2949411645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16493 (or 16490 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 2949411645 is about 54308.4859391237. The cubic root of 2949411645 is about 1434.0967894497.

The spelling of 2949411645 in words is "two billion, nine hundred forty-nine million, four hundred eleven thousand, six hundred forty-five".