2029649904 has 60 divisors (see below), whose sum is σ = 5927175696. Its totient is φ = 647133696.

The previous prime is 2029649899. The next prime is 2029649929. The reversal of 2029649904 is 4099469202.

It is a happy number.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 2029649904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 303097 + ... + 309720.

Almost surely, 2^2029649904 is an apocalyptic number.

2029649904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2029649904 is an abundant number, since it is smaller than the sum of its proper divisors (3897525792).

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

2029649904 is a wasteful number, since it uses less digits than its factorization.

2029649904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612854 (or 612845 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 2029649904 is about 45051.6359747346. The cubic root of 2029649904 is about 1266.1166233541.

The spelling of 2029649904 in words is "two billion, twenty-nine million, six hundred forty-nine thousand, nine hundred four".