73811344401 has 12 divisors (see below), whose sum is σ = 111251881728. Its totient is φ = 47068103544.

The previous prime is 73811344391. The next prime is 73811344427. The reversal of 73811344401 is 10444311837.

73811344401 is a `hidden beast` number, since 7 + 3 + 81 + 134 + 440 + 1 = 666.

It is not a de Polignac number, because 73811344401 - 2³³ = 65221409809 is a prime.

It is a super-2 number, since 2×73811344401² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (73811344801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 178288065 + ... + 178288478.

It is an arithmetic number, because the mean of its divisors is an integer number (9270990144).

Almost surely, 2^73811344401 is an apocalyptic number.

It is an amenable number.

73811344401 is a deficient number, since it is larger than the sum of its proper divisors (37440537327).

73811344401 is a wasteful number, since it uses less digits than its factorization.

73811344401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356576572 (or 356576569 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The spelling of 73811344401 in words is "seventy-three billion, eight hundred eleven million, three hundred forty-four thousand, four hundred one".