21630363214035 has 8 divisors (see below), whose sum is σ = 34608581142480. Its totient is φ = 11536193714144.

The previous prime is 21630363214027. The next prime is 21630363214039. The reversal of 21630363214035 is 53041236303612.

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 21630363214035 - 2³ = 21630363214027 is a prime.

It is a super-2 number, since 2×21630363214035² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21630363213984 and 21630363214002.

It is not an unprimeable number, because it can be changed into a prime (21630363214039) 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, 721012107120 + ... + 721012107149.

It is an arithmetic number, because the mean of its divisors is an integer number (4326072642810).

Almost surely, 2^{21630363214035} is an apocalyptic number.

21630363214035 is a deficient number, since it is larger than the sum of its proper divisors (12978217928445).

21630363214035 is a wasteful number, since it uses less digits than its factorization.

21630363214035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1442024214277.

The product of its (nonzero) digits is 233280, while the sum is 39.

Adding to 21630363214035 its reverse (53041236303612), we get a palindrome (74671599517647).

The spelling of 21630363214035 in words is "twenty-one trillion, six hundred thirty billion, three hundred sixty-three million, two hundred fourteen thousand, thirty-five".