2621651241 has 32 divisors (see below), whose sum is σ = 3892202496. Its totient is φ = 1556280000.

The previous prime is 2621651239. The next prime is 2621651257. The reversal of 2621651241 is 1421561262.

It is not a de Polignac number, because 2621651241 - 2¹ = 2621651239 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2621651199 and 2621651208.

It is not an unprimeable number, because it can be changed into a prime (2621651231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 396916 + ... + 403466.

It is an arithmetic number, because the mean of its divisors is an integer number (121631328).

Almost surely, 2^2621651241 is an apocalyptic number.

It is an amenable number.

2621651241 is a deficient number, since it is larger than the sum of its proper divisors (1270551255).

2621651241 is a wasteful number, since it uses less digits than its factorization.

2621651241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6813.

The product of its digits is 5760, while the sum is 30.

The square root of 2621651241 is about 51202.0628588341. The cubic root of 2621651241 is about 1378.8752371603.

The spelling of 2621651241 in words is "two billion, six hundred twenty-one million, six hundred fifty-one thousand, two hundred forty-one".