1350623525453 has 4 divisors (see below), whose sum is σ = 1363996035708. Its totient is φ = 1337251015200.

The previous prime is 1350623525429. The next prime is 1350623525519. The reversal of 1350623525453 is 3545253260531.

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 693684097129 + 656939428324 = 832877^2 + 810518^2 .

It is a cyclic number.

It is not a de Polignac number, because 1350623525453 - 2⁸ = 1350623525197 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 (1350623521453) 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, 6686254976 + ... + 6686255177.

It is an arithmetic number, because the mean of its divisors is an integer number (340999008927).

Almost surely, 2^{1350623525453} is an apocalyptic number.

It is an amenable number.

1350623525453 is a deficient number, since it is larger than the sum of its proper divisors (13372510255).

1350623525453 is a wasteful number, since it uses less digits than its factorization.

1350623525453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13372510254.

The product of its (nonzero) digits is 1620000, while the sum is 44.

Adding to 1350623525453 its reverse (3545253260531), we get a palindrome (4895876785984).

The spelling of 1350623525453 in words is "one trillion, three hundred fifty billion, six hundred twenty-three million, five hundred twenty-five thousand, four hundred fifty-three".