67045621013 has 8 divisors (see below), whose sum is σ = 77593486080. Its totient is φ = 56740235760.

The previous prime is 67045620997. The next prime is 67045621021. The reversal of 67045621013 is 31012654076.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 67045621013 - 2⁴ = 67045620997 is a prime.

It is a super-3 number, since 3×67045621013³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67045621033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60619358 + ... + 60620463.

It is an arithmetic number, because the mean of its divisors is an integer number (9699185760).

Almost surely, 2^67045621013 is an apocalyptic number.

It is an amenable number.

67045621013 is a deficient number, since it is larger than the sum of its proper divisors (10547865067).

67045621013 is a wasteful number, since it uses less digits than its factorization.

67045621013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121239907.

The product of its (nonzero) digits is 30240, while the sum is 35.

The spelling of 67045621013 in words is "sixty-seven billion, forty-five million, six hundred twenty-one thousand, thirteen".