10721451982 has 16 divisors (see below), whose sum is σ = 17103214800. Its totient is φ = 5023159168.

The previous prime is 10721451973. The next prime is 10721451997. The reversal of 10721451982 is 28915412701.

It is a super-2 number, since 2×10721451982² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 686857 + ... + 702292.

It is an arithmetic number, because the mean of its divisors is an integer number (1068950925).

Almost surely, 2^10721451982 is an apocalyptic number.

10721451982 is a deficient number, since it is larger than the sum of its proper divisors (6381762818).

10721451982 is a wasteful number, since it uses less digits than its factorization.

10721451982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1389395.

The product of its (nonzero) digits is 40320, while the sum is 40.

The spelling of 10721451982 in words is "ten billion, seven hundred twenty-one million, four hundred fifty-one thousand, nine hundred eighty-two".