239153712541 has 2 divisors, whose sum is σ = 239153712542. Its totient is φ = 239153712540.

The previous prime is 239153712533. The next prime is 239153712583. The reversal of 239153712541 is 145217351932.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 185860143225 + 53293569316 = 431115^2 + 230854^2 .

It is a cyclic number.

It is not a de Polignac number, because 239153712541 - 2³ = 239153712533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (239153712041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119576856270 + 119576856271.

It is an arithmetic number, because the mean of its divisors is an integer number (119576856271).

Almost surely, 2^239153712541 is an apocalyptic number.

It is an amenable number.

239153712541 is a deficient number, since it is larger than the sum of its proper divisors (1).

239153712541 is an equidigital number, since it uses as much as digits as its factorization.

239153712541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 226800, while the sum is 43.

The spelling of 239153712541 in words is "two hundred thirty-nine billion, one hundred fifty-three million, seven hundred twelve thousand, five hundred forty-one".