3784645615253 has 16 divisors (see below), whose sum is σ = 3994282406400. Its totient is φ = 3576058936560.

The previous prime is 3784645615241. The next prime is 3784645615273. The reversal of 3784645615253 is 3525165464873.

It is not a de Polignac number, because 3784645615253 - 2²² = 3784641420949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3784645615192 and 3784645615201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3784645615213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24704750 + ... + 24857472.

It is an arithmetic number, because the mean of its divisors is an integer number (249642650400).

Almost surely, 2^{3784645615253} is an apocalyptic number.

It is an amenable number.

3784645615253 is a deficient number, since it is larger than the sum of its proper divisors (209636791147).

3784645615253 is a wasteful number, since it uses less digits than its factorization.

3784645615253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156152.

The product of its digits is 72576000, while the sum is 59.

The spelling of 3784645615253 in words is "three trillion, seven hundred eighty-four billion, six hundred forty-five million, six hundred fifteen thousand, two hundred fifty-three".