2469123945 has 128 divisors (see below), whose sum is σ = 5020185600. Its totient is φ = 1143926784.

The previous prime is 2469123919. The next prime is 2469123949. The reversal of 2469123945 is 5493219642.

2469123945 is a `hidden beast` number, since 246 + 9 + 12 + 394 + 5 = 666.

It is not a de Polignac number, because 2469123945 - 2⁷ = 2469123817 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2469123945.

It is not an unprimeable number, because it can be changed into a prime (2469123949) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1529959 + ... + 1531571.

It is an arithmetic number, because the mean of its divisors is an integer number (39220200).

Almost surely, 2^2469123945 is an apocalyptic number.

It is an amenable number.

2469123945 is an abundant number, since it is smaller than the sum of its proper divisors (2551061655).

2469123945 is a wasteful number, since it uses less digits than its factorization.

2469123945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1696 (or 1690 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 2469123945 is about 49690.2801863705. The cubic root of 2469123945 is about 1351.5982798716.

The spelling of 2469123945 in words is "two billion, four hundred sixty-nine million, one hundred twenty-three thousand, nine hundred forty-five".