1972582663 has 8 divisors (see below), whose sum is σ = 1984671920. Its totient is φ = 1960519680.

The previous prime is 1972582613. The next prime is 1972582687. The reversal of 1972582663 is 3662852791.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1972582663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1972582613) 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, 156181 + ... + 168337.

It is an arithmetic number, because the mean of its divisors is an integer number (248083990).

Almost surely, 2^1972582663 is an apocalyptic number.

1972582663 is a deficient number, since it is larger than the sum of its proper divisors (12089257).

1972582663 is a wasteful number, since it uses less digits than its factorization.

1972582663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13137.

The product of its digits is 1088640, while the sum is 49.

The square root of 1972582663 is about 44413.7665932535. The cubic root of 1972582663 is about 1254.1372594663.

The spelling of 1972582663 in words is "one billion, nine hundred seventy-two million, five hundred eighty-two thousand, six hundred sixty-three".