21733961461 has 8 divisors (see below), whose sum is σ = 22982254848. Its totient is φ = 20519868000.

The previous prime is 21733961401. The next prime is 21733961567. The reversal of 21733961461 is 16416933712.

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

It is a cyclic number.

It is not a de Polignac number, because 21733961461 - 2²⁷ = 21599743733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21733961401) 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, 8548675 + ... + 8551216.

It is an arithmetic number, because the mean of its divisors is an integer number (2872781856).

Almost surely, 2^21733961461 is an apocalyptic number.

It is an amenable number.

21733961461 is a deficient number, since it is larger than the sum of its proper divisors (1248293387).

21733961461 is a wasteful number, since it uses less digits than its factorization.

21733961461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17099963.

The product of its digits is 163296, while the sum is 43.

The spelling of 21733961461 in words is "twenty-one billion, seven hundred thirty-three million, nine hundred sixty-one thousand, four hundred sixty-one".