1351301656453 has 4 divisors (see below), whose sum is σ = 1544344750240. Its totient is φ = 1158258562668.

The previous prime is 1351301656451. The next prime is 1351301656477. The reversal of 1351301656453 is 3546561031531.

It is a happy number.

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 1351301656453 - 2¹ = 1351301656451 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 (1351301656451) 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, 96521546883 + ... + 96521546896.

It is an arithmetic number, because the mean of its divisors is an integer number (386086187560).

Almost surely, 2^{1351301656453} is an apocalyptic number.

It is an amenable number.

1351301656453 is a deficient number, since it is larger than the sum of its proper divisors (193043093787).

1351301656453 is an equidigital number, since it uses as much as digits as its factorization.

1351301656453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193043093786.

The product of its (nonzero) digits is 486000, while the sum is 43.

Adding to 1351301656453 its reverse (3546561031531), we get a palindrome (4897862687984).

The spelling of 1351301656453 in words is "one trillion, three hundred fifty-one billion, three hundred one million, six hundred fifty-six thousand, four hundred fifty-three".