147839473231 has 2 divisors, whose sum is σ = 147839473232. Its totient is φ = 147839473230.

The previous prime is 147839473129. The next prime is 147839473273. The reversal of 147839473231 is 132374938741.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 147839473231 - 2¹⁷ = 147839342159 is a prime.

It is a super-2 number, since 2×147839473231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147839473631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73919736615 + 73919736616.

It is an arithmetic number, because the mean of its divisors is an integer number (73919736616).

Almost surely, 2^147839473231 is an apocalyptic number.

147839473231 is a deficient number, since it is larger than the sum of its proper divisors (1).

147839473231 is an equidigital number, since it uses as much as digits as its factorization.

147839473231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3048192, while the sum is 52.

The spelling of 147839473231 in words is "one hundred forty-seven billion, eight hundred thirty-nine million, four hundred seventy-three thousand, two hundred thirty-one".