21577750484003 has 8 divisors (see below), whose sum is σ = 24660530595072. Its totient is φ = 18495031454856.

The previous prime is 21577750483979. The next prime is 21577750484009. The reversal of 21577750484003 is 30048405777512.

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

It is a cyclic number.

It is not a de Polignac number, because 21577750484003 - 2¹² = 21577750479907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21577750484009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14510975 + ... + 15928712.

It is an arithmetic number, because the mean of its divisors is an integer number (3082566324384).

Almost surely, 2^{21577750484003} is an apocalyptic number.

21577750484003 is a deficient number, since it is larger than the sum of its proper divisors (3082780111069).

21577750484003 is a wasteful number, since it uses less digits than its factorization.

21577750484003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30540961.

The product of its (nonzero) digits is 6585600, while the sum is 53.

The spelling of 21577750484003 in words is "twenty-one trillion, five hundred seventy-seven billion, seven hundred fifty million, four hundred eighty-four thousand, three".