1471216745 has 4 divisors (see below), whose sum is σ = 1765460100. Its totient is φ = 1176973392.

The previous prime is 1471216711. The next prime is 1471216757. The reversal of 1471216745 is 5476121741.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5476121741 = 109 ⋅50239649.

It can be written as a sum of positive squares in 2 ways, for example, as 895984489 + 575232256 = 29933^2 + 23984^2 .

It is a cyclic number.

It is not a de Polignac number, because 1471216745 - 2²⁴ = 1454439529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1471216699 and 1471216708.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147121670 + ... + 147121679.

It is an arithmetic number, because the mean of its divisors is an integer number (441365025).

Almost surely, 2^1471216745 is an apocalyptic number.

It is an amenable number.

1471216745 is a deficient number, since it is larger than the sum of its proper divisors (294243355).

1471216745 is an equidigital number, since it uses as much as digits as its factorization.

1471216745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294243354.

The product of its digits is 47040, while the sum is 38.

The square root of 1471216745 is about 38356.4433309451. The cubic root of 1471216745 is about 1137.3449922822.

The spelling of 1471216745 in words is "one billion, four hundred seventy-one million, two hundred sixteen thousand, seven hundred forty-five".