2946120645 has 16 divisors (see below), whose sum is σ = 5076392832. Its totient is φ = 1450397760.

The previous prime is 2946120637. The next prime is 2946120649. The reversal of 2946120645 is 5460216492.

It is a happy number.

It is not a de Polignac number, because 2946120645 - 2³ = 2946120637 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2946120649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7553961 + ... + 7554350.

It is an arithmetic number, because the mean of its divisors is an integer number (317274552).

Almost surely, 2^2946120645 is an apocalyptic number.

It is an amenable number.

2946120645 is a deficient number, since it is larger than the sum of its proper divisors (2130272187).

2946120645 is a wasteful number, since it uses less digits than its factorization.

2946120645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15108332.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 2946120645 is about 54278.1783500515. The cubic root of 2946120645 is about 1433.5631950025.

The spelling of 2946120645 in words is "two billion, nine hundred forty-six million, one hundred twenty thousand, six hundred forty-five".