73464846421 has 2 divisors, whose sum is σ = 73464846422. Its totient is φ = 73464846420.

The previous prime is 73464846409. The next prime is 73464846439. The reversal of 73464846421 is 12464846437.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53286643921 + 20178202500 = 230839^2 + 142050^2 .

It is a cyclic number.

It is not a de Polignac number, because 73464846421 - 2⁷ = 73464846293 is a prime.

It is a super-3 number, since 3×73464846421³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73464846461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36732423210 + 36732423211.

It is an arithmetic number, because the mean of its divisors is an integer number (36732423211).

Almost surely, 2^73464846421 is an apocalyptic number.

It is an amenable number.

73464846421 is a deficient number, since it is larger than the sum of its proper divisors (1).

73464846421 is an equidigital number, since it uses as much as digits as its factorization.

73464846421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3096576, while the sum is 49.

The spelling of 73464846421 in words is "seventy-three billion, four hundred sixty-four million, eight hundred forty-six thousand, four hundred twenty-one".