21413436350771 has 8 divisors (see below), whose sum is σ = 21540383651904. Its totient is φ = 21286861876800.

The previous prime is 21413436350731. The next prime is 21413436350783. The reversal of 21413436350771 is 17705363431412.

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 21413436350771 - 2⁶ = 21413436350707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21413436350701) 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, 93091580 + ... + 93321321.

It is an arithmetic number, because the mean of its divisors is an integer number (2692547956488).

Almost surely, 2^{21413436350771} is an apocalyptic number.

21413436350771 is a deficient number, since it is larger than the sum of its proper divisors (126947301133).

21413436350771 is a wasteful number, since it uses less digits than its factorization.

21413436350771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186413581.

The product of its (nonzero) digits is 1270080, while the sum is 47.

The spelling of 21413436350771 in words is "twenty-one trillion, four hundred thirteen billion, four hundred thirty-six million, three hundred fifty thousand, seven hundred seventy-one".