149049272699 has 4 divisors (see below), whose sum is σ = 150442256664. Its totient is φ = 147656288736.

The previous prime is 149049272689. The next prime is 149049272711. The reversal of 149049272699 is 996272940941.

149049272699 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 996272940941 = 25919 ⋅38437939.

It is a cyclic number.

It is not a de Polignac number, because 149049272699 - 2⁴ = 149049272683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149049272609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 696491822 + ... + 696492035.

It is an arithmetic number, because the mean of its divisors is an integer number (37610564166).

Almost surely, 2^149049272699 is an apocalyptic number.

149049272699 is a deficient number, since it is larger than the sum of its proper divisors (1392983965).

149049272699 is a wasteful number, since it uses less digits than its factorization.

149049272699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1392983964.

The product of its (nonzero) digits is 17635968, while the sum is 62.

Adding to 149049272699 its sum of digits (62), we get a square (149049272761 = 386069²).

The spelling of 149049272699 in words is "one hundred forty-nine billion, forty-nine million, two hundred seventy-two thousand, six hundred ninety-nine".