2752949621 has 8 divisors (see below), whose sum is σ = 2918954880. Its totient is φ = 2587396288.

The previous prime is 2752949609. The next prime is 2752949623. The reversal of 2752949621 is 1269492572.

It is a happy number.

2752949621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2752949621 - 2²⁶ = 2685840757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2752949623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100391 + ... + 124836.

It is an arithmetic number, because the mean of its divisors is an integer number (364869360).

Almost surely, 2^2752949621 is an apocalyptic number.

It is an amenable number.

2752949621 is a deficient number, since it is larger than the sum of its proper divisors (166005259).

2752949621 is a wasteful number, since it uses less digits than its factorization.

2752949621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225963.

The product of its digits is 544320, while the sum is 47.

The square root of 2752949621 is about 52468.5584040576. The cubic root of 2752949621 is about 1401.5203926516.

The spelling of 2752949621 in words is "two billion, seven hundred fifty-two million, nine hundred forty-nine thousand, six hundred twenty-one".