1453891108983 has 16 divisors (see below), whose sum is σ = 2001087922176. Its totient is φ = 937978564320.

The previous prime is 1453891108981. The next prime is 1453891108997. The reversal of 1453891108983 is 3898011983541.

It is not a de Polignac number, because 1453891108983 - 2¹ = 1453891108981 is a prime.

It is a super-2 number, since 2×1453891108983² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1453891108981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8500810 + ... + 8670152.

It is an arithmetic number, because the mean of its divisors is an integer number (125067995136).

Almost surely, 2^{1453891108983} is an apocalyptic number.

1453891108983 is a deficient number, since it is larger than the sum of its proper divisors (547196813193).

1453891108983 is a wasteful number, since it uses less digits than its factorization.

1453891108983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261694.

The product of its (nonzero) digits is 7464960, while the sum is 60.

The spelling of 1453891108983 in words is "one trillion, four hundred fifty-three billion, eight hundred ninety-one million, one hundred eight thousand, nine hundred eighty-three".