4968961798581 has 12 divisors (see below), whose sum is σ = 7829879197920. Its totient is φ = 3011491999080.

The previous prime is 4968961798501. The next prime is 4968961798597. The reversal of 4968961798581 is 1858971698694.

4968961798581 is a `hidden beast` number, since 496 + 8 + 9 + 6 + 1 + 79 + 8 + 58 + 1 = 666.

It is not a de Polignac number, because 4968961798581 - 2³³ = 4960371863989 is a prime.

It is a super-2 number, since 2×4968961798581² (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 4968961798581.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4968961798501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25095766561 + ... + 25095766758.

It is an arithmetic number, because the mean of its divisors is an integer number (652489933160).

Almost surely, 2^{4968961798581} is an apocalyptic number.

It is an amenable number.

4968961798581 is a deficient number, since it is larger than the sum of its proper divisors (2860917399339).

4968961798581 is a wasteful number, since it uses less digits than its factorization.

4968961798581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50191533336 (or 50191533333 counting only the distinct ones).

The product of its digits is 1881169920, while the sum is 81.

The spelling of 4968961798581 in words is "four trillion, nine hundred sixty-eight billion, nine hundred sixty-one million, seven hundred ninety-eight thousand, five hundred eighty-one".