900506105003 has 4 divisors (see below), whose sum is σ = 902959800480. Its totient is φ = 898052409528.

The previous prime is 900506104999. The next prime is 900506105011. The reversal of 900506105003 is 300501605009.

900506105003 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, and also an emirpimes, since its reverse is a distinct semiprime: 300501605009 = 1699 ⋅176869691.

It is a cyclic number.

It is not a de Polignac number, because 900506105003 - 2² = 900506104999 is a prime.

It is a super-2 number, since 2×900506105003² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (900506102003) 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, 1226847188 + ... + 1226847921.

It is an arithmetic number, because the mean of its divisors is an integer number (225739950120).

Almost surely, 2^900506105003 is an apocalyptic number.

900506105003 is a deficient number, since it is larger than the sum of its proper divisors (2453695477).

900506105003 is a wasteful number, since it uses less digits than its factorization.

900506105003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2453695476.

The product of its (nonzero) digits is 4050, while the sum is 29.

The spelling of 900506105003 in words is "nine hundred billion, five hundred six million, one hundred five thousand, three".