741861402613821 has 24 divisors (see below), whose sum is σ = 1224670680257024. Its totient is φ = 423917136744480.

The previous prime is 741861402613777. The next prime is 741861402613943. The reversal of 741861402613821 is 128316204168147.

It is a happy number.

741861402613821 is a `hidden beast` number, since 7 + 4 + 1 + 8 + 6 + 14 + 0 + 2 + 613 + 8 + 2 + 1 = 666.

It is not a de Polignac number, because 741861402613821 - 2⁶ = 741861402613757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (741861402615821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43545550 + ... + 58137231.

Almost surely, 2^{741861402613821} is an apocalyptic number.

It is an amenable number.

741861402613821 is a deficient number, since it is larger than the sum of its proper divisors (482809277643203).

741861402613821 is a wasteful number, since it uses less digits than its factorization.

741861402613821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101798601 (or 101798598 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 54.

The spelling of 741861402613821 in words is "seven hundred forty-one trillion, eight hundred sixty-one billion, four hundred two million, six hundred thirteen thousand, eight hundred twenty-one".