1345425641633 has 4 divisors (see below), whose sum is σ = 1345482895380. Its totient is φ = 1345368387888.

The previous prime is 1345425641629. The next prime is 1345425641711. The reversal of 1345425641633 is 3361465245431.

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 803224627984 + 542201013649 = 896228^2 + 736343^2 .

It is a cyclic number.

It is not a de Polignac number, because 1345425641633 - 2² = 1345425641629 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1345425041633) 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, 28591610 + ... + 28638627.

It is an arithmetic number, because the mean of its divisors is an integer number (336370723845).

Almost surely, 2^{1345425641633} is an apocalyptic number.

It is an amenable number.

1345425641633 is a deficient number, since it is larger than the sum of its proper divisors (57253747).

1345425641633 is an equidigital number, since it uses as much as digits as its factorization.

1345425641633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57253746.

The product of its digits is 3110400, while the sum is 47.

The spelling of 1345425641633 in words is "one trillion, three hundred forty-five billion, four hundred twenty-five million, six hundred forty-one thousand, six hundred thirty-three".