5471661745 has 48 divisors (see below), whose sum is σ = 7405542144. Its totient is φ = 3876364800.

The previous prime is 5471661737. The next prime is 5471661761.

5471661745 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5471661745 - 2³ = 5471661737 is a prime.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 5471661695 and 5471661704.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9582310 + ... + 9582880.

It is an arithmetic number, because the mean of its divisors is an integer number (154282128).

Almost surely, 2^5471661745 is an apocalyptic number.

5471661745 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5471661745 is a deficient number, since it is larger than the sum of its proper divisors (1933880399).

5471661745 is a wasteful number, since it uses less digits than its factorization.

5471661745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982 (or 971 counting only the distinct ones).

The product of its digits is 705600, while the sum is 46.

The square root of 5471661745 is about 73970.6816583435. The cubic root of 5471661745 is about 1762.1373122900.

The spelling of 5471661745 in words is "five billion, four hundred seventy-one million, six hundred sixty-one thousand, seven hundred forty-five".