2171504542 has 8 divisors (see below), whose sum is σ = 3264323832. Its totient is φ = 1083396600.

The previous prime is 2171504539. The next prime is 2171504557. The reversal of 2171504542 is 2454051712.

2171504542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

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, 1176684 + ... + 1178527.

It is an arithmetic number, because the mean of its divisors is an integer number (408040479).

Almost surely, 2^2171504542 is an apocalyptic number.

2171504542 is a deficient number, since it is larger than the sum of its proper divisors (1092819290).

2171504542 is a wasteful number, since it uses less digits than its factorization.

2171504542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2355674.

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 2171504542 is about 46599.4049532824. The cubic root of 2171504542 is about 1294.9517315780.

The spelling of 2171504542 in words is "two billion, one hundred seventy-one million, five hundred four thousand, five hundred forty-two".