3780282449 has 4 divisors (see below), whose sum is σ = 3780430500. Its totient is φ = 3780134400.

The previous prime is 3780282437. The next prime is 3780282481. The reversal of 3780282449 is 9442820873.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 769785025 + 3010497424 = 27745^2 + 54868^2 .

It is a cyclic number.

It is not a de Polignac number, because 3780282449 - 2²⁸ = 3511846993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3780282409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24824 + ... + 90425.

It is an arithmetic number, because the mean of its divisors is an integer number (945107625).

Almost surely, 2^3780282449 is an apocalyptic number.

It is an amenable number.

3780282449 is a deficient number, since it is larger than the sum of its proper divisors (148051).

3780282449 is a wasteful number, since it uses less digits than its factorization.

3780282449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148050.

The product of its (nonzero) digits is 774144, while the sum is 47.

The square root of 3780282449 is about 61484.0015695140. The cubic root of 3780282449 is about 1557.7870289214.

The spelling of 3780282449 in words is "three billion, seven hundred eighty million, two hundred eighty-two thousand, four hundred forty-nine".