2151622603 has 4 divisors (see below), whose sum is σ = 2317132048. Its totient is φ = 1986113160.

The previous prime is 2151622597. The next prime is 2151622621. The reversal of 2151622603 is 3062261512.

2151622603 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2151622603 - 2¹³ = 2151614411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2151622903) 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, 82754703 + ... + 82754728.

It is an arithmetic number, because the mean of its divisors is an integer number (579283012).

Almost surely, 2^2151622603 is an apocalyptic number.

2151622603 is a deficient number, since it is larger than the sum of its proper divisors (165509445).

2151622603 is a wasteful number, since it uses less digits than its factorization.

2151622603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165509444.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 2151622603 is about 46385.5861556152. The cubic root of 2151622603 is about 1290.9874863863.

The spelling of 2151622603 in words is "two billion, one hundred fifty-one million, six hundred twenty-two thousand, six hundred three".