2047554545 has 8 divisors (see below), whose sum is σ = 2601598824. Its totient is φ = 1541688064.

The previous prime is 2047554533. The next prime is 2047554583. The reversal of 2047554545 is 5454557402.

It can be written as a sum of positive squares in 4 ways, for example, as 1026049024 + 1021505521 = 32032^2 + 31961^2 .

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 2047554545 - 2¹⁶ = 2047489009 is a prime.

It is a super-2 number, since 2×2047554545² = 8384959229500314050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12044354 + ... + 12044523.

It is an arithmetic number, because the mean of its divisors is an integer number (325199853).

Almost surely, 2^2047554545 is an apocalyptic number.

It is an amenable number.

2047554545 is a deficient number, since it is larger than the sum of its proper divisors (554044279).

2047554545 is a wasteful number, since it uses less digits than its factorization.

2047554545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24088899.

The product of its (nonzero) digits is 560000, while the sum is 41.

The square root of 2047554545 is about 45249.9120993621. The cubic root of 2047554545 is about 1269.8287625369.

The spelling of 2047554545 in words is "two billion, forty-seven million, five hundred fifty-four thousand, five hundred forty-five".