3129150448 has 20 divisors (see below), whose sum is σ = 6063649848. Its totient is φ = 1564337600.

The previous prime is 3129150397. The next prime is 3129150449. The reversal of 3129150448 is 8440519213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3129150449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147690 + ... + 167542.

Almost surely, 2^3129150448 is an apocalyptic number.

It is an amenable number.

3129150448 is a deficient number, since it is larger than the sum of its proper divisors (2934499400).

3129150448 is a wasteful number, since it uses less digits than its factorization.

3129150448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29712 (or 29706 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 3129150448 is about 55938.8098550550. The cubic root of 3129150448 is about 1462.6558352269.

The spelling of 3129150448 in words is "three billion, one hundred twenty-nine million, one hundred fifty thousand, four hundred forty-eight".