2453506638 has 32 divisors (see below), whose sum is σ = 5360141952. Its totient is φ = 742509600.

The previous prime is 2453506631. The next prime is 2453506661. The reversal of 2453506638 is 8366053542.

It is a self number, because there is not a number n which added to its sum of digits gives 2453506638.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2453506631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26973 + ... + 75063.

It is an arithmetic number, because the mean of its divisors is an integer number (167504436).

Almost surely, 2^2453506638 is an apocalyptic number.

2453506638 is an abundant number, since it is smaller than the sum of its proper divisors (2906635314).

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

2453506638 is a wasteful number, since it uses less digits than its factorization.

2453506638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48880.

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

The square root of 2453506638 is about 49532.8844102582. The cubic root of 2453506638 is about 1348.7426130497.

The spelling of 2453506638 in words is "two billion, four hundred fifty-three million, five hundred six thousand, six hundred thirty-eight".