1402454505253 has 4 divisors (see below), whose sum is σ = 1406616091660. Its totient is φ = 1398292918848.

The previous prime is 1402454505239. The next prime is 1402454505337. The reversal of 1402454505253 is 3525054542041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 731917892484 + 670536612769 = 855522^2 + 818863^2 .

It is a cyclic number.

It is not a de Polignac number, because 1402454505253 - 2⁹ = 1402454504741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402454505233) 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, 2080792698 + ... + 2080793371.

It is an arithmetic number, because the mean of its divisors is an integer number (351654022915).

Almost surely, 2^{1402454505253} is an apocalyptic number.

It is an amenable number.

1402454505253 is a deficient number, since it is larger than the sum of its proper divisors (4161586407).

1402454505253 is an equidigital number, since it uses as much as digits as its factorization.

1402454505253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4161586406.

The product of its (nonzero) digits is 480000, while the sum is 40.

The spelling of 1402454505253 in words is "one trillion, four hundred two billion, four hundred fifty-four million, five hundred five thousand, two hundred fifty-three".