2445321621046 has 4 divisors (see below), whose sum is σ = 3667982431572. Its totient is φ = 1222660810522.

The previous prime is 2445321621023. The next prime is 2445321621163. The reversal of 2445321621046 is 6401261235442.

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

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611330405260 + ... + 611330405263.

It is an arithmetic number, because the mean of its divisors is an integer number (916995607893).

Almost surely, 2^{2445321621046} is an apocalyptic number.

2445321621046 is a deficient number, since it is larger than the sum of its proper divisors (1222660810526).

2445321621046 is a wasteful number, since it uses less digits than its factorization.

2445321621046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222660810525.

The product of its (nonzero) digits is 276480, while the sum is 40.

Adding to 2445321621046 its reverse (6401261235442), we get a palindrome (8846582856488).

The spelling of 2445321621046 in words is "two trillion, four hundred forty-five billion, three hundred twenty-one million, six hundred twenty-one thousand, forty-six".