1671572659453 has 8 divisors (see below), whose sum is σ = 1677858054656. Its totient is φ = 1665298440000.

The previous prime is 1671572659387. The next prime is 1671572659459. The reversal of 1671572659453 is 3549562751761.

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 1671572659453 - 2¹³ = 1671572651261 is a prime.

It is a super-2 number, since 2×1671572659453² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1671572659391 and 1671572659400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1671572659459) 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, 2494173 + ... + 3092578.

It is an arithmetic number, because the mean of its divisors is an integer number (209732256832).

Almost surely, 2^{1671572659453} is an apocalyptic number.

It is an amenable number.

1671572659453 is a deficient number, since it is larger than the sum of its proper divisors (6285395203).

1671572659453 is an equidigital number, since it uses as much as digits as its factorization.

1671572659453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5587875.

The product of its digits is 47628000, while the sum is 61.

The spelling of 1671572659453 in words is "one trillion, six hundred seventy-one billion, five hundred seventy-two million, six hundred fifty-nine thousand, four hundred fifty-three".