21050401314 has 16 divisors (see below), whose sum is σ = 42102250560. Its totient is φ = 7016559120.

The previous prime is 21050401291. The next prime is 21050401369. The reversal of 21050401314 is 41310405012.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257332 + ... + 329120.

It is an arithmetic number, because the mean of its divisors is an integer number (2631390660).

Almost surely, 2^21050401314 is an apocalyptic number.

21050401314 is an abundant number, since it is smaller than the sum of its proper divisors (21051849246).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21050401314 is a wasteful number, since it uses less digits than its factorization.

21050401314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120665.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 21050401314 its reverse (41310405012), we get a palindrome (62360806326).

The spelling of 21050401314 in words is "twenty-one billion, fifty million, four hundred one thousand, three hundred fourteen".