4941621993472 has 28 divisors (see below), whose sum is σ = 9882640777986. Its totient is φ = 2470810992640.

The previous prime is 4941621993361. The next prime is 4941621993479. The reversal of 4941621993472 is 2743991261494.

It can be written as a sum of positive squares in only one way, i.e., 4528656388096 + 412965605376 = 2128064^2 + 642624^2 .

It is a super-2 number, since 2×4941621993472² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4941621993472.

It is not an unprimeable number, because it can be changed into a prime (4941621993479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 301604479 + ... + 301620862.

Almost surely, 2^{4941621993472} is an apocalyptic number.

It is an amenable number.

4941621993472 is a deficient number, since it is larger than the sum of its proper divisors (4941018784514).

4941621993472 is an frugal number, since it uses more digits than its factorization.

4941621993472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603225367 (or 603225343 counting only the distinct ones).

The product of its digits is 23514624, while the sum is 61.

The spelling of 4941621993472 in words is "four trillion, nine hundred forty-one billion, six hundred twenty-one million, nine hundred ninety-three thousand, four hundred seventy-two".