21634132403037 has 32 divisors (see below), whose sum is σ = 36121661512704. Its totient is φ = 11189001456000.

The previous prime is 21634132403033. The next prime is 21634132403057. The reversal of 21634132403037 is 73030423143612.

It is not a de Polignac number, because 21634132403037 - 2² = 21634132403033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21634132402986 and 21634132403004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21634132403033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 206234464 + ... + 206339337.

It is an arithmetic number, because the mean of its divisors is an integer number (1128801922272).

Almost surely, 2^{21634132403037} is an apocalyptic number.

It is an amenable number.

21634132403037 is a deficient number, since it is larger than the sum of its proper divisors (14487529109667).

21634132403037 is a wasteful number, since it uses less digits than its factorization.

21634132403037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412574049.

The product of its (nonzero) digits is 217728, while the sum is 39.

Adding to 21634132403037 its reverse (73030423143612), we get a palindrome (94664555546649).

The spelling of 21634132403037 in words is "twenty-one trillion, six hundred thirty-four billion, one hundred thirty-two million, four hundred three thousand, thirty-seven".