1972463471 has 32 divisors (see below), whose sum is σ = 2314759680. Its totient is φ = 1674794880.

The previous prime is 1972463461. The next prime is 1972463491. The reversal of 1972463471 is 1743642791.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-1972463471 is a prime.

It is a super-3 number, since 3×1972463471³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1972463411) 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 31 ways as a sum of consecutive naturals, for example, 4049990 + ... + 4050476.

It is an arithmetic number, because the mean of its divisors is an integer number (72336240).

Almost surely, 2^1972463471 is an apocalyptic number.

1972463471 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1972463471 is a deficient number, since it is larger than the sum of its proper divisors (342296209).

1972463471 is a wasteful number, since it uses less digits than its factorization.

1972463471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716 (or 694 counting only the distinct ones).

The product of its digits is 254016, while the sum is 44.

The square root of 1972463471 is about 44412.4247367783. The cubic root of 1972463471 is about 1254.1119988200. Note that the first 3 decimals are identical.

The spelling of 1972463471 in words is "one billion, nine hundred seventy-two million, four hundred sixty-three thousand, four hundred seventy-one".