21314496061 has 16 divisors (see below), whose sum is σ = 21546907200. Its totient is φ = 21083920000.

The previous prime is 21314496043. The next prime is 21314496101. The reversal of 21314496061 is 16069441312.

It is a cyclic number.

It is not a de Polignac number, because 21314496061 - 2²⁹ = 20777625149 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21314496061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21314496461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40910481 + ... + 40911001.

It is an arithmetic number, because the mean of its divisors is an integer number (1346681700).

Almost surely, 2^21314496061 is an apocalyptic number.

It is an amenable number.

21314496061 is a deficient number, since it is larger than the sum of its proper divisors (232411139).

21314496061 is a wasteful number, since it uses less digits than its factorization.

21314496061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1580.

The product of its (nonzero) digits is 31104, while the sum is 37.

The spelling of 21314496061 in words is "twenty-one billion, three hundred fourteen million, four hundred ninety-six thousand, sixty-one".