1453038621399 has 16 divisors (see below), whose sum is σ = 2153022278400. Its totient is φ = 968524803288.

The previous prime is 1453038621389. The next prime is 1453038621427. The reversal of 1453038621399 is 9931268303541.

1453038621399 is a `hidden beast` number, since 1 + 4 + 5 + 3 + 0 + 3 + 8 + 621 + 3 + 9 + 9 = 666.

It is not a de Polignac number, because 1453038621399 - 2⁸ = 1453038621143 is a prime.

It is a super-2 number, since 2×1453038621399² (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 (1453038621319) 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, 4496829 + ... + 4809110.

It is an arithmetic number, because the mean of its divisors is an integer number (134563892400).

Almost surely, 2^{1453038621399} is an apocalyptic number.

1453038621399 is a deficient number, since it is larger than the sum of its proper divisors (699983657001).

1453038621399 is an equidigital number, since it uses as much as digits as its factorization.

1453038621399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9311731 (or 9311725 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 54.

The spelling of 1453038621399 in words is "one trillion, four hundred fifty-three billion, thirty-eight million, six hundred twenty-one thousand, three hundred ninety-nine".