2621372130 has 48 divisors (see below), whose sum is σ = 7339845240. Its totient is φ = 645260544.

The previous prime is 2621372101. The next prime is 2621372141. The reversal of 2621372130 is 312731262.

2621372130 is a `hidden beast` number, since 2 + 621 + 3 + 7 + 2 + 1 + 30 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1460539089 + 1160833041 = 38217^2 + 34071^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2621372094 and 2621372103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1119075 + ... + 1121414.

Almost surely, 2^2621372130 is an apocalyptic number.

2621372130 is an abundant number, since it is smaller than the sum of its proper divisors (4718473110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2621372130 is a wasteful number, since it uses less digits than its factorization.

2621372130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2240515 (or 2240512 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 2621372130 is about 51199.3372027412. The cubic root of 2621372130 is about 1378.8263019830.

The spelling of 2621372130 in words is "two billion, six hundred twenty-one million, three hundred seventy-two thousand, one hundred thirty".