2951345385 has 24 divisors (see below), whose sum is σ = 5142186504. Its totient is φ = 1565890560.

The previous prime is 2951345357. The next prime is 2951345393. The reversal of 2951345385 is 5835431592.

2951345385 is a `hidden beast` number, since 2 + 9 + 513 + 4 + 53 + 85 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 22695696 + 2928649689 = 4764^2 + 54117^2 .

It is not a de Polignac number, because 2951345385 - 2⁹ = 2951344873 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 2951345385.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 161226 + ... + 178595.

It is an arithmetic number, because the mean of its divisors is an integer number (214257771).

Almost surely, 2^2951345385 is an apocalyptic number.

It is an amenable number.

2951345385 is a deficient number, since it is larger than the sum of its proper divisors (2190841119).

2951345385 is a wasteful number, since it uses less digits than its factorization.

2951345385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340025 (or 340022 counting only the distinct ones).

The product of its digits is 648000, while the sum is 45.

The square root of 2951345385 is about 54326.2863170307. The cubic root of 2951345385 is about 1434.4101360667.

The spelling of 2951345385 in words is "two billion, nine hundred fifty-one million, three hundred forty-five thousand, three hundred eighty-five".