743361729981 has 32 divisors (see below), whose sum is σ = 1083194192640. Its totient is φ = 450694347264.

The previous prime is 743361729923. The next prime is 743361729989. The reversal of 743361729981 is 189927163347.

It is not a de Polignac number, because 743361729981 - 2⁶ = 743361729917 is a prime.

It is a super-2 number, since 2×743361729981² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (743361729989) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2474335 + ... + 2758451.

It is an arithmetic number, because the mean of its divisors is an integer number (33849818520).

Almost surely, 2^743361729981 is an apocalyptic number.

It is an amenable number.

743361729981 is a deficient number, since it is larger than the sum of its proper divisors (339832462659).

743361729981 is a wasteful number, since it uses less digits than its factorization.

743361729981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285125.

The product of its digits is 13716864, while the sum is 60.

The spelling of 743361729981 in words is "seven hundred forty-three billion, three hundred sixty-one million, seven hundred twenty-nine thousand, nine hundred eighty-one".