21614354325442 has 8 divisors (see below), whose sum is σ = 32865662056716. Its totient is φ = 10659133639872.

The previous prime is 21614354325373. The next prime is 21614354325451. The reversal of 21614354325442 is 24452345341612.

It can be written as a sum of positive squares in 2 ways, for example, as 21284649833841 + 329704491601 = 4613529^2 + 574199^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 21614354325392 and 21614354325401.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74021761243 + ... + 74021761534.

Almost surely, 2^{21614354325442} is an apocalyptic number.

21614354325442 is a deficient number, since it is larger than the sum of its proper divisors (11251307731274).

21614354325442 is a wasteful number, since it uses less digits than its factorization.

21614354325442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148043522852.

The product of its digits is 2764800, while the sum is 46.

The spelling of 21614354325442 in words is "twenty-one trillion, six hundred fourteen billion, three hundred fifty-four million, three hundred twenty-five thousand, four hundred forty-two".