21514501030 has 32 divisors (see below), whose sum is σ = 42274195488. Its totient is φ = 7818355200.

The previous prime is 21514500979. The next prime is 21514501031. The reversal of 21514501030 is 3010541512.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 21514500992 and 21514501010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21514501031) by changing a digit.

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, 107860 + ... + 233800.

It is an arithmetic number, because the mean of its divisors is an integer number (1321068609).

Almost surely, 2^21514501030 is an apocalyptic number.

21514501030 is a deficient number, since it is larger than the sum of its proper divisors (20759694458).

21514501030 is a wasteful number, since it uses less digits than its factorization.

21514501030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127512.

The product of its (nonzero) digits is 600, while the sum is 22.

The spelling of 21514501030 in words is "twenty-one billion, five hundred fourteen million, five hundred one thousand, thirty".