1453540971900 has 36 divisors (see below), whose sum is σ = 4205578546232. Its totient is φ = 387610925760.

The previous prime is 1453540971893. The next prime is 1453540971901. The reversal of 1453540971900 is 91790453541.

It is a super-2 number, since 2×1453540971900² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1453540971900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1453540971901) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2422567987 + ... + 2422568586.

Almost surely, 2^{1453540971900} is an apocalyptic number.

1453540971900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1453540971900 is an abundant number, since it is smaller than the sum of its proper divisors (2752037574332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1453540971900 is a wasteful number, since it uses less digits than its factorization.

1453540971900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4845136590 (or 4845136583 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 48.

The spelling of 1453540971900 in words is "one trillion, four hundred fifty-three billion, five hundred forty million, nine hundred seventy-one thousand, nine hundred".