2968147521 has 24 divisors (see below), whose sum is σ = 4543929000. Its totient is φ = 1860558336.

The previous prime is 2968147519. The next prime is 2968147543. The reversal of 2968147521 is 1257418692.

2968147521 is a `hidden beast` number, since 2 + 9 + 6 + 81 + 47 + 521 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 952586496 + 2015561025 = 30864^2 + 44895^2 .

It is not a de Polignac number, because 2968147521 - 2¹ = 2968147519 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2968147571) 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, 158355 + ... + 176103.

It is an arithmetic number, because the mean of its divisors is an integer number (189330375).

Almost surely, 2^2968147521 is an apocalyptic number.

It is an amenable number.

2968147521 is a deficient number, since it is larger than the sum of its proper divisors (1575781479).

2968147521 is a wasteful number, since it uses less digits than its factorization.

2968147521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18865 (or 18862 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 2968147521 is about 54480.7077872525. The cubic root of 2968147521 is about 1437.1270395863.

The spelling of 2968147521 in words is "two billion, nine hundred sixty-eight million, one hundred forty-seven thousand, five hundred twenty-one".