2621624361 has 8 divisors (see below), whose sum is σ = 3509101344. Its totient is φ = 1740948480.

The previous prime is 2621624353. The next prime is 2621624371. The reversal of 2621624361 is 1634261262.

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

It is not a de Polignac number, because 2621624361 - 2³ = 2621624353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2621624371) 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, 1699375 + ... + 1700916.

It is an arithmetic number, because the mean of its divisors is an integer number (438637668).

Almost surely, 2^2621624361 is an apocalyptic number.

It is an amenable number.

2621624361 is a deficient number, since it is larger than the sum of its proper divisors (887476983).

2621624361 is a wasteful number, since it uses less digits than its factorization.

2621624361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3400551.

The product of its digits is 20736, while the sum is 33.

The square root of 2621624361 is about 51201.8003687370. The cubic root of 2621624361 is about 1378.8705245715.

The spelling of 2621624361 in words is "two billion, six hundred twenty-one million, six hundred twenty-four thousand, three hundred sixty-one".