2603345344451 has 4 divisors (see below), whose sum is σ = 2693115873600. Its totient is φ = 2513574815304.

The previous prime is 2603345344409. The next prime is 2603345344499. The reversal of 2603345344451 is 1544435433062.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2603345344451 - 2²² = 2603341150147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2603345341451) 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, 44885264531 + ... + 44885264588.

It is an arithmetic number, because the mean of its divisors is an integer number (673278968400).

Almost surely, 2^{2603345344451} is an apocalyptic number.

2603345344451 is a deficient number, since it is larger than the sum of its proper divisors (89770529149).

2603345344451 is an equidigital number, since it uses as much as digits as its factorization.

2603345344451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89770529148.

The product of its (nonzero) digits is 2073600, while the sum is 44.

The spelling of 2603345344451 in words is "two trillion, six hundred three billion, three hundred forty-five million, three hundred forty-four thousand, four hundred fifty-one".