2630665541 has 4 divisors (see below), whose sum is σ = 3006474912. Its totient is φ = 2254856172.

The previous prime is 2630665537. The next prime is 2630665559. The reversal of 2630665541 is 1455660362.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 2630665541 - 2² = 2630665537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2630665495 and 2630665504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2630665241) 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, 187904675 + ... + 187904688.

It is an arithmetic number, because the mean of its divisors is an integer number (751618728).

Almost surely, 2^2630665541 is an apocalyptic number.

It is an amenable number.

2630665541 is a deficient number, since it is larger than the sum of its proper divisors (375809371).

2630665541 is an equidigital number, since it uses as much as digits as its factorization.

2630665541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375809370.

The product of its (nonzero) digits is 129600, while the sum is 38.

The square root of 2630665541 is about 51290.0140475707. The cubic root of 2630665541 is about 1380.4538066780.

The spelling of 2630665541 in words is "two billion, six hundred thirty million, six hundred sixty-five thousand, five hundred forty-one".