4532381779 has 4 divisors (see below), whose sum is σ = 4532606784. Its totient is φ = 4532156776.

The previous prime is 4532381743. The next prime is 4532381803. The reversal of 4532381779 is 9771832354.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4532381779 - 2¹⁵ = 4532349011 is a prime.

It is a super-2 number, since 2×4532381779² = 41084969181222409682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4532381719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78952 + ... + 123685.

It is an arithmetic number, because the mean of its divisors is an integer number (1133151696).

Almost surely, 2^4532381779 is an apocalyptic number.

4532381779 is a deficient number, since it is larger than the sum of its proper divisors (225005).

4532381779 is a wasteful number, since it uses less digits than its factorization.

4532381779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225004.

The product of its digits is 1270080, while the sum is 49.

The square root of 4532381779 is about 67322.9662076769. The cubic root of 4532381779 is about 1654.9142477695.

The spelling of 4532381779 in words is "four billion, five hundred thirty-two million, three hundred eighty-one thousand, seven hundred seventy-nine".