1973942471 has 16 divisors (see below), whose sum is σ = 2202415200. Its totient is φ = 1758163968.

The previous prime is 1973942461. The next prime is 1973942513. The reversal of 1973942471 is 1742493791.

It is a cyclic number.

It is not a de Polignac number, because 1973942471 - 2¹⁰ = 1973941447 is a prime.

It is a super-3 number, since 3×1973942471³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1973942401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 361961 + ... + 367373.

It is an arithmetic number, because the mean of its divisors is an integer number (137650950).

Almost surely, 2^1973942471 is an apocalyptic number.

1973942471 is a deficient number, since it is larger than the sum of its proper divisors (228472729).

1973942471 is a wasteful number, since it uses less digits than its factorization.

1973942471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6578.

The product of its digits is 381024, while the sum is 47.

The square root of 1973942471 is about 44429.0723625871. The cubic root of 1973942471 is about 1254.4253748372.

The spelling of 1973942471 in words is "one billion, nine hundred seventy-three million, nine hundred forty-two thousand, four hundred seventy-one".