2428621505 has 8 divisors (see below), whose sum is σ = 2917353024. Its totient is φ = 1940892400.

The previous prime is 2428621493. The next prime is 2428621519. The reversal of 2428621505 is 5051268242.

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

It is not a de Polignac number, because 2428621505 - 2²⁴ = 2411844289 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245261 + ... + 254970.

It is an arithmetic number, because the mean of its divisors is an integer number (364669128).

Almost surely, 2^2428621505 is an apocalyptic number.

It is an amenable number.

2428621505 is a deficient number, since it is larger than the sum of its proper divisors (488731519).

2428621505 is an equidigital number, since it uses as much as digits as its factorization.

2428621505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501207.

The product of its (nonzero) digits is 38400, while the sum is 35.

The square root of 2428621505 is about 49281.0461029390. The cubic root of 2428621505 is about 1344.1671539034.

Adding to 2428621505 its reverse (5051268242), we get a palindrome (7479889747).

The spelling of 2428621505 in words is "two billion, four hundred twenty-eight million, six hundred twenty-one thousand, five hundred five".