10265721730 has 32 divisors (see below), whose sum is σ = 20442077568. Its totient is φ = 3680409600.

The previous prime is 10265721727. The next prime is 10265721761. The reversal of 10265721730 is 3712756201.

10265721730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 649407 + ... + 665026.

It is an arithmetic number, because the mean of its divisors is an integer number (638814924).

Almost surely, 2^10265721730 is an apocalyptic number.

10265721730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10265721730 is a deficient number, since it is larger than the sum of its proper divisors (10176355838).

10265721730 is a wasteful number, since it uses less digits than its factorization.

10265721730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1314522.

The product of its (nonzero) digits is 17640, while the sum is 34.

The spelling of 10265721730 in words is "ten billion, two hundred sixty-five million, seven hundred twenty-one thousand, seven hundred thirty".