73141375969 has 4 divisors (see below), whose sum is σ = 73197338544. Its totient is φ = 73085413396.

The previous prime is 73141375949. The next prime is 73141375999. The reversal of 73141375969 is 96957314137.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 96957314137 = 43 ⋅2254821259.

It is a cyclic number.

It is not a de Polignac number, because 73141375969 - 2²⁷ = 73007158241 is a prime.

It is a super-2 number, since 2×73141375969² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73141375949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27979327 + ... + 27981940.

It is an arithmetic number, because the mean of its divisors is an integer number (18299334636).

Almost surely, 2^73141375969 is an apocalyptic number.

It is an amenable number.

73141375969 is a deficient number, since it is larger than the sum of its proper divisors (55962575).

73141375969 is a wasteful number, since it uses less digits than its factorization.

73141375969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55962574.

The product of its digits is 4286520, while the sum is 55.

The spelling of 73141375969 in words is "seventy-three billion, one hundred forty-one million, three hundred seventy-five thousand, nine hundred sixty-nine".