150429949609 has 3 divisors (see below), whose sum is σ = 150430337463. Its totient is φ = 150429561756.

The previous prime is 150429949561. The next prime is 150429949679. The reversal of 150429949609 is 906949924051.

The square root of 150429949609 is 387853.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 141372240025 + 9057709584 = 375995^2 + 95172^2 .

It is not a de Polignac number, because 150429949609 - 2⁹ = 150429949097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150429949679) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 193927 + ... + 581779.

It is an arithmetic number, because the mean of its divisors is an integer number (50143445821).

Almost surely, 2^150429949609 is an apocalyptic number.

150429949609 is the 387853-rd square number.

150429949609 is the 193927-th centered octagonal number.

It is an amenable number.

150429949609 is a deficient number, since it is larger than the sum of its proper divisors (387854).

150429949609 is an frugal number, since it uses more digits than its factorization.

150429949609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775706 (or 387853 counting only the distinct ones).

The product of its (nonzero) digits is 6298560, while the sum is 58.

The spelling of 150429949609 in words is "one hundred fifty billion, four hundred twenty-nine million, nine hundred forty-nine thousand, six hundred nine".