1428374055553 has 4 divisors (see below), whose sum is σ = 1429137485568. Its totient is φ = 1427610625540.

The previous prime is 1428374055509. The next prime is 1428374055611. The reversal of 1428374055553 is 3555504738241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1428374055553 - 2²⁵ = 1428340501121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1428374055553.

It is not an unprimeable number, because it can be changed into a prime (1428374055253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 381712201 + ... + 381715942.

It is an arithmetic number, because the mean of its divisors is an integer number (357284371392).

Almost surely, 2^{1428374055553} is an apocalyptic number.

It is an amenable number.

1428374055553 is a deficient number, since it is larger than the sum of its proper divisors (763430015).

1428374055553 is an equidigital number, since it uses as much as digits as its factorization.

1428374055553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763430014.

The product of its (nonzero) digits is 10080000, while the sum is 52.

The spelling of 1428374055553 in words is "one trillion, four hundred twenty-eight billion, three hundred seventy-four million, fifty-five thousand, five hundred fifty-three".