1684454629 has 16 divisors (see below), whose sum is σ = 1985235840. Its totient is φ = 1409031360.

The previous prime is 1684454621. The next prime is 1684454641. The reversal of 1684454629 is 9264544861.

It is not a de Polignac number, because 1684454629 - 2³ = 1684454621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1684454621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26752 + ... + 63910.

It is an arithmetic number, because the mean of its divisors is an integer number (124077240).

Almost surely, 2^1684454629 is an apocalyptic number.

It is an amenable number.

1684454629 is a deficient number, since it is larger than the sum of its proper divisors (300781211).

1684454629 is a wasteful number, since it uses less digits than its factorization.

1684454629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37500.

The product of its digits is 1658880, while the sum is 49.

The square root of 1684454629 is about 41042.1079989808. The cubic root of 1684454629 is about 1189.8341762207.

The spelling of 1684454629 in words is "one billion, six hundred eighty-four million, four hundred fifty-four thousand, six hundred twenty-nine".