2946290945 has 32 divisors (see below), whose sum is σ = 3918958848. Its totient is φ = 2112300288.

The previous prime is 2946290929. The next prime is 2946290947. The reversal of 2946290945 is 5490926492.

2946290945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2946290945 - 2⁴ = 2946290929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2946290893 and 2946290902.

It is not an unprimeable number, because it can be changed into a prime (2946290947) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1410692 + ... + 1412778.

It is an arithmetic number, because the mean of its divisors is an integer number (122467464).

Almost surely, 2^2946290945 is an apocalyptic number.

It is an amenable number.

2946290945 is a deficient number, since it is larger than the sum of its proper divisors (972667903).

2946290945 is a wasteful number, since it uses less digits than its factorization.

2946290945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2729.

The product of its (nonzero) digits is 1399680, while the sum is 50.

The square root of 2946290945 is about 54279.7470977896. The cubic root of 2946290945 is about 1433.5908167621.

The spelling of 2946290945 in words is "two billion, nine hundred forty-six million, two hundred ninety thousand, nine hundred forty-five".