2453156646 has 8 divisors (see below), whose sum is σ = 4906313304. Its totient is φ = 817718880.

The previous prime is 2453156639. The next prime is 2453156677. The reversal of 2453156646 is 6466513542.

It is a sphenic number, since it is the product of 3 distinct primes.

2453156646 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 2453156598 and 2453156607.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204429715 + ... + 204429726.

It is an arithmetic number, because the mean of its divisors is an integer number (613289163).

Almost surely, 2^2453156646 is an apocalyptic number.

2453156646 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2453156646 is a wasteful number, since it uses less digits than its factorization.

2453156646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408859446.

The product of its digits is 518400, while the sum is 42.

The square root of 2453156646 is about 49529.3513585631. The cubic root of 2453156646 is about 1348.6784774210.

The spelling of 2453156646 in words is "two billion, four hundred fifty-three million, one hundred fifty-six thousand, six hundred forty-six".