21514056613 has 8 divisors (see below), whose sum is σ = 24589685120. Its totient is φ = 18438976080.

The previous prime is 21514056607. The next prime is 21514056643. The reversal of 21514056613 is 31665041512.

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

It is not a de Polignac number, because 21514056613 - 2²⁹ = 20977185701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21514056643) 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, 49098 + ... + 213163.

It is an arithmetic number, because the mean of its divisors is an integer number (3073710640).

Almost surely, 2^21514056613 is an apocalyptic number.

It is an amenable number.

21514056613 is a deficient number, since it is larger than the sum of its proper divisors (3075628507).

21514056613 is a wasteful number, since it uses less digits than its factorization.

21514056613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273987.

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 21514056613 in words is "twenty-one billion, five hundred fourteen million, fifty-six thousand, six hundred thirteen".