21514774941 has 24 divisors (see below), whose sum is σ = 34218928224. Its totient is φ = 12917388960.

The previous prime is 21514774927. The next prime is 21514774973. The reversal of 21514774941 is 14947741512.

21514774941 is a `hidden beast` number, since 2 + 15 + 147 + 7 + 494 + 1 = 666.

It is not a de Polignac number, because 21514774941 - 2¹¹ = 21514772893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21514764941) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1004926 + ... + 1026111.

It is an arithmetic number, because the mean of its divisors is an integer number (1425788676).

Almost surely, 2^21514774941 is an apocalyptic number.

It is an amenable number.

21514774941 is a deficient number, since it is larger than the sum of its proper divisors (12704153283).

21514774941 is a wasteful number, since it uses less digits than its factorization.

21514774941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2031161 (or 2031158 counting only the distinct ones).

The product of its digits is 282240, while the sum is 45.

The spelling of 21514774941 in words is "twenty-one billion, five hundred fourteen million, seven hundred seventy-four thousand, nine hundred forty-one".