149550939379 has 2 divisors, whose sum is σ = 149550939380. Its totient is φ = 149550939378.

The previous prime is 149550939353. The next prime is 149550939427. The reversal of 149550939379 is 973939055941.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 149550939379 - 2¹¹ = 149550937331 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 149550939379.

It is not a weakly prime, because it can be changed into another prime (149550639379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74775469689 + 74775469690.

It is an arithmetic number, because the mean of its divisors is an integer number (74775469690).

Almost surely, 2^149550939379 is an apocalyptic number.

149550939379 is a deficient number, since it is larger than the sum of its proper divisors (1).

149550939379 is an equidigital number, since it uses as much as digits as its factorization.

149550939379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41334300, while the sum is 64.

The spelling of 149550939379 in words is "one hundred forty-nine billion, five hundred fifty million, nine hundred thirty-nine thousand, three hundred seventy-nine".