21470071356453 has 8 divisors (see below), whose sum is σ = 30310688973888. Its totient is φ = 13471417321664.

The previous prime is 21470071356427. The next prime is 21470071356479. The reversal of 21470071356453 is 35465317007412.

It is an interprime number because it is at equal distance from previous prime (21470071356427) and next prime (21470071356479).

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 21470071356453 - 2⁸ = 21470071356197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21470071356353) 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, 210490895601 + ... + 210490895702.

It is an arithmetic number, because the mean of its divisors is an integer number (3788836121736).

Almost surely, 2^{21470071356453} is an apocalyptic number.

It is an amenable number.

21470071356453 is a deficient number, since it is larger than the sum of its proper divisors (8840617617435).

21470071356453 is a wasteful number, since it uses less digits than its factorization.

21470071356453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420981791323.

The product of its (nonzero) digits is 2116800, while the sum is 48.

The spelling of 21470071356453 in words is "twenty-one trillion, four hundred seventy billion, seventy-one million, three hundred fifty-six thousand, four hundred fifty-three".