5628630261 has 4 divisors (see below), whose sum is σ = 7504840352. Its totient is φ = 3752420172.

The previous prime is 5628630257. The next prime is 5628630307. The reversal of 5628630261 is 1620368265.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 5628630261 - 2² = 5628630257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5624630261) 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, 938105041 + ... + 938105046.

It is an arithmetic number, because the mean of its divisors is an integer number (1876210088).

Almost surely, 2^5628630261 is an apocalyptic number.

It is an amenable number.

5628630261 is a deficient number, since it is larger than the sum of its proper divisors (1876210091).

5628630261 is a wasteful number, since it uses less digits than its factorization.

5628630261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1876210090.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 5628630261 is about 75024.1978364314. The cubic root of 5628630261 is about 1778.8291611111.

The spelling of 5628630261 in words is "five billion, six hundred twenty-eight million, six hundred thirty thousand, two hundred sixty-one".