2645742137433 has 4 divisors (see below), whose sum is σ = 3527656183248. Its totient is φ = 1763828091620.

The previous prime is 2645742137419. The next prime is 2645742137447. The reversal of 2645742137433 is 3347312475462.

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 an interprime number because it is at equal distance from previous prime (2645742137419) and next prime (2645742137447).

It is a cyclic number.

It is not a de Polignac number, because 2645742137433 - 2¹³ = 2645742129241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2645742137833) 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, 440957022903 + ... + 440957022908.

It is an arithmetic number, because the mean of its divisors is an integer number (881914045812).

Almost surely, 2^{2645742137433} is an apocalyptic number.

It is an amenable number.

2645742137433 is a deficient number, since it is larger than the sum of its proper divisors (881914045815).

2645742137433 is an equidigital number, since it uses as much as digits as its factorization.

2645742137433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881914045814.

The product of its digits is 10160640, while the sum is 51.

The spelling of 2645742137433 in words is "two trillion, six hundred forty-five billion, seven hundred forty-two million, one hundred thirty-seven thousand, four hundred thirty-three".