73139033152771 has 4 divisors (see below), whose sum is σ = 73139530739344. Its totient is φ = 73138535566200.

The previous prime is 73139033152699. The next prime is 73139033152819. The reversal of 73139033152771 is 17725133093137.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 73139033152771 - 2⁷ = 73139033152643 is a prime.

It is a super-3 number, since 3×73139033152771³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73119033152771) 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, 248572740 + ... + 248866801.

It is an arithmetic number, because the mean of its divisors is an integer number (18284882684836).

Almost surely, 2^{73139033152771} is an apocalyptic number.

73139033152771 is a deficient number, since it is larger than the sum of its proper divisors (497586573).

73139033152771 is a wasteful number, since it uses less digits than its factorization.

73139033152771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497586572.

The product of its (nonzero) digits is 2500470, while the sum is 52.

The spelling of 73139033152771 in words is "seventy-three trillion, one hundred thirty-nine billion, thirty-three million, one hundred fifty-two thousand, seven hundred seventy-one".