2621620234 has 8 divisors (see below), whose sum is σ = 3933128160. Its totient is φ = 1310577516.

The previous prime is 2621620231. The next prime is 2621620277. The reversal of 2621620234 is 4320261262.

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

It is not an unprimeable number, because it can be changed into a prime (2621620231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101854 + ... + 124969.

It is an arithmetic number, because the mean of its divisors is an integer number (491641020).

Almost surely, 2^2621620234 is an apocalyptic number.

2621620234 is a deficient number, since it is larger than the sum of its proper divisors (1311507926).

2621620234 is a wasteful number, since it uses less digits than its factorization.

2621620234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232604.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 2621620234 is about 51201.7600674039. The cubic root of 2621620234 is about 1378.8698010250.

Adding to 2621620234 its reverse (4320261262), we get a palindrome (6941881496).

The spelling of 2621620234 in words is "two billion, six hundred twenty-one million, six hundred twenty thousand, two hundred thirty-four".