945129749 has 16 divisors (see below), whose sum is σ = 1031616000. Its totient is φ = 862464960.

The previous prime is 945129737. The next prime is 945129781. The reversal of 945129749 is 947921549.

It is a cyclic number.

It is not a de Polignac number, because 945129749 - 2⁴ = 945129733 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 945129697 and 945129706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (945129149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 262139 + ... + 265719.

It is an arithmetic number, because the mean of its divisors is an integer number (64476000).

Almost surely, 2^945129749 is an apocalyptic number.

It is an amenable number.

945129749 is a deficient number, since it is larger than the sum of its proper divisors (86486251).

945129749 is a wasteful number, since it uses less digits than its factorization.

945129749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4108.

The product of its digits is 816480, while the sum is 50.

The square root of 945129749 is about 30742.9625930879. The cubic root of 945129749 is about 981.3648029148.

The spelling of 945129749 in words is "nine hundred forty-five million, one hundred twenty-nine thousand, seven hundred forty-nine".