2453455646 has 16 divisors (see below), whose sum is σ = 3745554480. Its totient is φ = 1204970880.

The previous prime is 2453455643. The next prime is 2453455663. The reversal of 2453455646 is 6465543542.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2453455597 and 2453455606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2453455643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152960 + ... + 168236.

It is an arithmetic number, because the mean of its divisors is an integer number (234097155).

Almost surely, 2^2453455646 is an apocalyptic number.

2453455646 is a deficient number, since it is larger than the sum of its proper divisors (1292098834).

2453455646 is a wasteful number, since it uses less digits than its factorization.

2453455646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16699.

The product of its digits is 1728000, while the sum is 44.

The square root of 2453455646 is about 49532.3696788272. The cubic root of 2453455646 is about 1348.7332692043.

The spelling of 2453455646 in words is "two billion, four hundred fifty-three million, four hundred fifty-five thousand, six hundred forty-six".