21411033431414 has 32 divisors (see below), whose sum is σ = 36921526997760. Its totient is φ = 9216975196000.

The previous prime is 21411033431407. The next prime is 21411033431453. The reversal of 21411033431414 is 41413433011412.

It is a happy number.

It is a super-2 number, since 2×21411033431414² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209425604 + ... + 209527815.

It is an arithmetic number, because the mean of its divisors is an integer number (1153797718680).

Almost surely, 2^{21411033431414} is an apocalyptic number.

21411033431414 is a deficient number, since it is larger than the sum of its proper divisors (15510493566346).

21411033431414 is a wasteful number, since it uses less digits than its factorization.

21411033431414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418953556.

The product of its (nonzero) digits is 13824, while the sum is 32.

Adding to 21411033431414 its reverse (41413433011412), we get a palindrome (62824466442826).

The spelling of 21411033431414 in words is "twenty-one trillion, four hundred eleven billion, thirty-three million, four hundred thirty-one thousand, four hundred fourteen".