2906381545 has 12 divisors (see below), whose sum is σ = 3645891396. Its totient is φ = 2224011680.

The previous prime is 2906381519. The next prime is 2906381623. The reversal of 2906381545 is 5451836092.

It can be written as a sum of positive squares in 2 ways, for example, as 419963049 + 2486418496 = 20493^2 + 49864^2 .

It is not a de Polignac number, because 2906381545 - 2¹⁵ = 2906348777 is a prime.

It is a Duffinian 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, 546766 + ... + 552055.

It is an arithmetic number, because the mean of its divisors is an integer number (303824283).

Almost surely, 2^2906381545 is an apocalyptic number.

It is an amenable number.

2906381545 is a deficient number, since it is larger than the sum of its proper divisors (739509851).

2906381545 is a wasteful number, since it uses less digits than its factorization.

2906381545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1098872 (or 1098849 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 43.

The square root of 2906381545 is about 53910.8666689750. The cubic root of 2906381545 is about 1427.0883990334.

The spelling of 2906381545 in words is "two billion, nine hundred six million, three hundred eighty-one thousand, five hundred forty-five".