151531869673 has 2 divisors, whose sum is σ = 151531869674. Its totient is φ = 151531869672.

The previous prime is 151531869571. The next prime is 151531869677. The reversal of 151531869673 is 376968135151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 151408148544 + 123721129 = 389112^2 + 11123^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-151531869673 is a prime.

It is not a weakly prime, because it can be changed into another prime (151531869677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75765934836 + 75765934837.

It is an arithmetic number, because the mean of its divisors is an integer number (75765934837).

Almost surely, 2^151531869673 is an apocalyptic number.

It is an amenable number.

151531869673 is a deficient number, since it is larger than the sum of its proper divisors (1).

151531869673 is an equidigital number, since it uses as much as digits as its factorization.

151531869673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4082400, while the sum is 55.

The spelling of 151531869673 in words is "one hundred fifty-one billion, five hundred thirty-one million, eight hundred sixty-nine thousand, six hundred seventy-three".