1453640665231 has 8 divisors (see below), whose sum is σ = 1463430171600. Its totient is φ = 1443851606208.

The previous prime is 1453640665229. The next prime is 1453640665241. The reversal of 1453640665231 is 1325660463541.

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 1453640665231 - 2¹ = 1453640665229 is a prime.

It is a super-2 number, since 2×1453640665231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1453640665241) 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, 8778555 + ... + 8942611.

It is an arithmetic number, because the mean of its divisors is an integer number (182928771450).

Almost surely, 2^{1453640665231} is an apocalyptic number.

1453640665231 is a deficient number, since it is larger than the sum of its proper divisors (9789506369).

1453640665231 is a wasteful number, since it uses less digits than its factorization.

1453640665231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223673.

The product of its (nonzero) digits is 1555200, while the sum is 46.

The spelling of 1453640665231 in words is "one trillion, four hundred fifty-three billion, six hundred forty million, six hundred sixty-five thousand, two hundred thirty-one".