2400956389 has 4 divisors (see below), whose sum is σ = 2585645356. Its totient is φ = 2216267424.

The previous prime is 2400956347. The next prime is 2400956419. The reversal of 2400956389 is 9836590042.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 830419489 + 1570536900 = 28817^2 + 39630^2 .

It is a cyclic number.

It is not a de Polignac number, because 2400956389 - 2⁹ = 2400955877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2400956309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92344464 + ... + 92344489.

It is an arithmetic number, because the mean of its divisors is an integer number (646411339).

Almost surely, 2^2400956389 is an apocalyptic number.

It is an amenable number.

2400956389 is a deficient number, since it is larger than the sum of its proper divisors (184688967).

2400956389 is a wasteful number, since it uses less digits than its factorization.

2400956389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184688966.

The product of its (nonzero) digits is 466560, while the sum is 46.

The square root of 2400956389 is about 48999.5549877751. The cubic root of 2400956389 is about 1339.0437205211.

The spelling of 2400956389 in words is "two billion, four hundred million, nine hundred fifty-six thousand, three hundred eighty-nine".