1045604394634 has 4 divisors (see below), whose sum is σ = 1568406591954. Its totient is φ = 522802197316.

The previous prime is 1045604394629. The next prime is 1045604394643. The reversal of 1045604394634 is 4364934065401.

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

It can be written as a sum of positive squares in only one way, i.e., 778215087225 + 267389307409 = 882165^2 + 517097^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261401098657 + ... + 261401098660.

Almost surely, 2^{1045604394634} is an apocalyptic number.

1045604394634 is a deficient number, since it is larger than the sum of its proper divisors (522802197320).

1045604394634 is an equidigital number, since it uses as much as digits as its factorization.

1045604394634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522802197319.

The product of its (nonzero) digits is 3732480, while the sum is 49.

The spelling of 1045604394634 in words is "one trillion, forty-five billion, six hundred four million, three hundred ninety-four thousand, six hundred thirty-four".