2621056949 has 8 divisors (see below), whose sum is σ = 3076453248. Its totient is φ = 2185900560.

The previous prime is 2621056939. The next prime is 2621056993. The reversal of 2621056949 is 9496501262.

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 2621056949 - 2⁸ = 2621056693 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 (2621056909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5059697 + ... + 5060214.

It is an arithmetic number, because the mean of its divisors is an integer number (384556656).

Almost surely, 2^2621056949 is an apocalyptic number.

It is an amenable number.

2621056949 is a deficient number, since it is larger than the sum of its proper divisors (455396299).

2621056949 is a wasteful number, since it uses less digits than its factorization.

2621056949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10119955.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 2621056949 is about 51196.2591309170. The cubic root of 2621056949 is about 1378.7710386515.

The spelling of 2621056949 in words is "two billion, six hundred twenty-one million, fifty-six thousand, nine hundred forty-nine".