2730654945 has 24 divisors (see below), whose sum is σ = 4861060776. Its totient is φ = 1416987648.

The previous prime is 2730654943. The next prime is 2730654947. The reversal of 2730654945 is 5494560372.

It is an interprime number because it is at equal distance from previous prime (2730654943) and next prime (2730654947).

It can be written as a sum of positive squares in 4 ways, for example, as 873734481 + 1856920464 = 29559^2 + 43092^2 .

It is not a de Polignac number, because 2730654945 - 2¹ = 2730654943 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 2730654945.

It is not an unprimeable number, because it can be changed into a prime (2730654943) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 818352 + ... + 821681.

It is an arithmetic number, because the mean of its divisors is an integer number (202544199).

Almost surely, 2^2730654945 is an apocalyptic number.

It is an amenable number.

2730654945 is a deficient number, since it is larger than the sum of its proper divisors (2130405831).

2730654945 is a wasteful number, since it uses less digits than its factorization.

2730654945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1640081 (or 1640078 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The square root of 2730654945 is about 52255.6690226046. The cubic root of 2730654945 is about 1397.7267436106.

The spelling of 2730654945 in words is "two billion, seven hundred thirty million, six hundred fifty-four thousand, nine hundred forty-five".