2662572981 has 8 divisors (see below), whose sum is σ = 3664616704. Its totient is φ = 1717788960.

The previous prime is 2662572977. The next prime is 2662573007. The reversal of 2662572981 is 1892752662.

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

It is not a de Polignac number, because 2662572981 - 2² = 2662572977 is a prime.

It is a super-2 number, since 2×2662572981² = 14178589758302452722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2662572981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2662572481) 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 7 ways as a sum of consecutive naturals, for example, 14314816 + ... + 14315001.

It is an arithmetic number, because the mean of its divisors is an integer number (458077088).

Almost surely, 2^2662572981 is an apocalyptic number.

It is an amenable number.

2662572981 is a deficient number, since it is larger than the sum of its proper divisors (1002043723).

2662572981 is a wasteful number, since it uses less digits than its factorization.

2662572981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28629851.

The product of its digits is 725760, while the sum is 48.

The square root of 2662572981 is about 51600.1257847304. The cubic root of 2662572981 is about 1386.0125845033.

The spelling of 2662572981 in words is "two billion, six hundred sixty-two million, five hundred seventy-two thousand, nine hundred eighty-one".