2045551412 has 6 divisors (see below), whose sum is σ = 3579714978. Its totient is φ = 1022775704.

The previous prime is 2045551411. The next prime is 2045551433. The reversal of 2045551412 is 2141555402.

It can be written as a sum of positive squares in only one way, i.e., 2033468836 + 12082576 = 45094^2 + 3476^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045551411) 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 as a sum of consecutive naturals, namely, 255693923 + ... + 255693930.

It is an arithmetic number, because the mean of its divisors is an integer number (596619163).

Almost surely, 2^2045551412 is an apocalyptic number.

It is an amenable number.

2045551412 is a deficient number, since it is larger than the sum of its proper divisors (1534163566).

2045551412 is a wasteful number, since it uses less digits than its factorization.

2045551412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511387857 (or 511387855 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 2045551412 is about 45227.7725739396. The cubic root of 2045551412 is about 1269.4145341199.

The spelling of 2045551412 in words is "two billion, forty-five million, five hundred fifty-one thousand, four hundred twelve".