2171504413 has 8 divisors (see below), whose sum is σ = 2376880856. Its totient is φ = 1971604800.

The previous prime is 2171504411. The next prime is 2171504459. The reversal of 2171504413 is 3144051712.

It can be written as a sum of positive squares in 4 ways, for example, as 328261924 + 1843242489 = 18118^2 + 42933^2 .

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 2171504413 - 2¹ = 2171504411 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2171504411) 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, 1368378 + ... + 1369963.

It is an arithmetic number, because the mean of its divisors is an integer number (297110107).

Almost surely, 2^2171504413 is an apocalyptic number.

It is an amenable number.

2171504413 is a deficient number, since it is larger than the sum of its proper divisors (205376443).

2171504413 is a wasteful number, since it uses less digits than its factorization.

2171504413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2738415.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 2171504413 is about 46599.4035691445. The cubic root of 2171504413 is about 1294.9517059354.

The spelling of 2171504413 in words is "two billion, one hundred seventy-one million, five hundred four thousand, four hundred thirteen".