21735302601453 has 8 divisors (see below), whose sum is σ = 33120461107008. Its totient is φ = 12420172915104.

The previous prime is 21735302601443. The next prime is 21735302601457. The reversal of 21735302601453 is 35410620353712.

It is a happy number.

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

It is not a de Polignac number, because 21735302601453 - 2⁵ = 21735302601421 is a prime.

It is a super-2 number, since 2×21735302601453² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21735302601457) 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, 517507204776 + ... + 517507204817.

It is an arithmetic number, because the mean of its divisors is an integer number (4140057638376).

Almost surely, 2^{21735302601453} is an apocalyptic number.

It is an amenable number.

21735302601453 is a deficient number, since it is larger than the sum of its proper divisors (11385158505555).

21735302601453 is a wasteful number, since it uses less digits than its factorization.

21735302601453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035014409603.

The product of its (nonzero) digits is 453600, while the sum is 42.

The spelling of 21735302601453 in words is "twenty-one trillion, seven hundred thirty-five billion, three hundred two million, six hundred one thousand, four hundred fifty-three".