3669673449 has 16 divisors (see below), whose sum is σ = 5391818432. Its totient is φ = 2205741888.

The previous prime is 3669673409. The next prime is 3669673481. The reversal of 3669673449 is 9443769663.

It is not a de Polignac number, because 3669673449 - 2¹³ = 3669665257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3669673409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1092442 + ... + 1095795.

It is an arithmetic number, because the mean of its divisors is an integer number (336988652).

Almost surely, 2^3669673449 is an apocalyptic number.

3669673449 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

3669673449 is a deficient number, since it is larger than the sum of its proper divisors (1722144983).

3669673449 is a wasteful number, since it uses less digits than its factorization.

3669673449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2188296.

The product of its digits is 17635968, while the sum is 57.

The square root of 3669673449 is about 60577.8296821535. The cubic root of 3669673449 is about 1542.4430567027.

The spelling of 3669673449 in words is "three billion, six hundred sixty-nine million, six hundred seventy-three thousand, four hundred forty-nine".