149528769391 has 2 divisors, whose sum is σ = 149528769392. Its totient is φ = 149528769390.

The previous prime is 149528769373. The next prime is 149528769443. The reversal of 149528769391 is 193967825941.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 149528769391 - 2¹¹ = 149528767343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149528769331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74764384695 + 74764384696.

It is an arithmetic number, because the mean of its divisors is an integer number (74764384696).

Almost surely, 2^149528769391 is an apocalyptic number.

149528769391 is a deficient number, since it is larger than the sum of its proper divisors (1).

149528769391 is an equidigital number, since it uses as much as digits as its factorization.

149528769391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29393280, while the sum is 64.

The spelling of 149528769391 in words is "one hundred forty-nine billion, five hundred twenty-eight million, seven hundred sixty-nine thousand, three hundred ninety-one".