2045408929 has 8 divisors (see below), whose sum is σ = 2146681152. Its totient is φ = 1945165200.

The previous prime is 2045408927. The next prime is 2045408971. The reversal of 2045408929 is 9298045402.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2045408929 - 2¹ = 2045408927 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2045408927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253047 + ... + 261004.

It is an arithmetic number, because the mean of its divisors is an integer number (268335144).

Almost surely, 2^2045408929 is an apocalyptic number.

It is an amenable number.

2045408929 is a deficient number, since it is larger than the sum of its proper divisors (101272223).

2045408929 is a wasteful number, since it uses less digits than its factorization.

2045408929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514247.

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 2045408929 is about 45226.1973749728. The cubic root of 2045408929 is about 1269.3850597217.

The spelling of 2045408929 in words is "two billion, forty-five million, four hundred eight thousand, nine hundred twenty-nine".