2964987581945 has 4 divisors (see below), whose sum is σ = 3557985098340. Its totient is φ = 2371990065552.

The previous prime is 2964987581921. The next prime is 2964987581953. The reversal of 2964987581945 is 5491857894692.

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 1533681619561 + 1431305962384 = 1238419^2 + 1196372^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2964987581945 is a prime.

It is a super-2 number, since 2×2964987581945² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 296498758190 + ... + 296498758199.

It is an arithmetic number, because the mean of its divisors is an integer number (889496274585).

Almost surely, 2^{2964987581945} is an apocalyptic number.

It is an amenable number.

2964987581945 is a deficient number, since it is larger than the sum of its proper divisors (592997516395).

2964987581945 is an equidigital number, since it uses as much as digits as its factorization.

2964987581945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592997516394.

The product of its digits is 1567641600, while the sum is 77.

The spelling of 2964987581945 in words is "two trillion, nine hundred sixty-four billion, nine hundred eighty-seven million, five hundred eighty-one thousand, nine hundred forty-five".