1979543471 has 8 divisors (see below), whose sum is σ = 2044821504. Its totient is φ = 1914354360.

The previous prime is 1979543459. The next prime is 1979543473. The reversal of 1979543471 is 1743459791.

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 1979543471 - 2⁶ = 1979543407 is a prime.

It is a super-3 number, since 3×1979543471³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1979543473) 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, 24626 + ... + 67568.

It is an arithmetic number, because the mean of its divisors is an integer number (255602688).

Almost surely, 2^1979543471 is an apocalyptic number.

1979543471 is a deficient number, since it is larger than the sum of its proper divisors (65278033).

1979543471 is a wasteful number, since it uses less digits than its factorization.

1979543471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44461.

The product of its digits is 952560, while the sum is 50.

The square root of 1979543471 is about 44492.0607636913. The cubic root of 1979543471 is about 1255.6107186685.

The spelling of 1979543471 in words is "one billion, nine hundred seventy-nine million, five hundred forty-three thousand, four hundred seventy-one".