1342973453 has 4 divisors (see below), whose sum is σ = 1344349020. Its totient is φ = 1341597888.

The previous prime is 1342973389. The next prime is 1342973459. The reversal of 1342973453 is 3543792431.

It is a happy number.

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 680322889 + 662650564 = 26083^2 + 25742^2 .

It is a cyclic number.

It is not a de Polignac number, because 1342973453 - 2⁶ = 1342973389 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 1342973453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1342973459) 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, 686318 + ... + 688271.

It is an arithmetic number, because the mean of its divisors is an integer number (336087255).

Almost surely, 2^1342973453 is an apocalyptic number.

It is an amenable number.

1342973453 is a deficient number, since it is larger than the sum of its proper divisors (1375567).

1342973453 is an equidigital number, since it uses as much as digits as its factorization.

1342973453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1375566.

The product of its digits is 272160, while the sum is 41.

The square root of 1342973453 is about 36646.6022026599. The cubic root of 1342973453 is about 1103.2886302041.

The spelling of 1342973453 in words is "one billion, three hundred forty-two million, nine hundred seventy-three thousand, four hundred fifty-three".