2453641636782 has 96 divisors (see below), whose sum is σ = 5774992076448. Its totient is φ = 692890619904.

The previous prime is 2453641636777. The next prime is 2453641636799. The reversal of 2453641636782 is 2876361463542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21531298 + ... + 21644954.

It is an arithmetic number, because the mean of its divisors is an integer number (60156167463).

Almost surely, 2^{2453641636782} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2453641636782, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2887496038224).

2453641636782 is an abundant number, since it is smaller than the sum of its proper divisors (3321350439666).

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

2453641636782 is a wasteful number, since it uses less digits than its factorization.

2453641636782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114530 (or 114523 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 57.

The spelling of 2453641636782 in words is "two trillion, four hundred fifty-three billion, six hundred forty-one million, six hundred thirty-six thousand, seven hundred eighty-two".