2051052945 has 32 divisors (see below), whose sum is σ = 3604608000. Its totient is φ = 991260864.

The previous prime is 2051052929. The next prime is 2051052947. The reversal of 2051052945 is 5492501502.

It is not a de Polignac number, because 2051052945 - 2⁴ = 2051052929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2051052947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 149895 + ... + 163004.

It is an arithmetic number, because the mean of its divisors is an integer number (112644000).

Almost surely, 2^2051052945 is an apocalyptic number.

It is an amenable number.

2051052945 is a deficient number, since it is larger than the sum of its proper divisors (1553555055).

2051052945 is a wasteful number, since it uses less digits than its factorization.

2051052945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312949.

The product of its (nonzero) digits is 18000, while the sum is 33.

The square root of 2051052945 is about 45288.5520302869. The cubic root of 2051052945 is about 1270.5515501687.

The spelling of 2051052945 in words is "two billion, fifty-one million, fifty-two thousand, nine hundred forty-five".