1972671471 has 6 divisors (see below), whose sum is σ = 2849414360. Its totient is φ = 1315114308.

The previous prime is 1972671457. The next prime is 1972671509. The reversal of 1972671471 is 1741762791.

1972671471 is a `hidden beast` number, since 1 + 97 + 26 + 71 + 471 = 666.

It is not a de Polignac number, because 1972671471 - 2⁷ = 1972671343 is a prime.

It is a super-3 number, since 3×1972671471³ (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 (1972671401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 109592851 + ... + 109592868.

Almost surely, 2^1972671471 is an apocalyptic number.

1972671471 is a deficient number, since it is larger than the sum of its proper divisors (876742889).

1972671471 is a wasteful number, since it uses less digits than its factorization.

1972671471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219185725 (or 219185722 counting only the distinct ones).

The product of its digits is 148176, while the sum is 45.

The square root of 1972671471 is about 44414.7663621008. The cubic root of 1972671471 is about 1254.1560800971.

The spelling of 1972671471 in words is "one billion, nine hundred seventy-two million, six hundred seventy-one thousand, four hundred seventy-one".