969929749 has 4 divisors (see below), whose sum is σ = 970748064. Its totient is φ = 969111436.

The previous prime is 969929693. The next prime is 969929773. The reversal of 969929749 is 947929969.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 969929749 - 2¹¹ = 969927701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (969929249) 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, 407377 + ... + 409750.

It is an arithmetic number, because the mean of its divisors is an integer number (242687016).

Almost surely, 2^969929749 is an apocalyptic number.

It is an amenable number.

969929749 is a deficient number, since it is larger than the sum of its proper divisors (818315).

969929749 is a wasteful number, since it uses less digits than its factorization.

969929749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818314.

The product of its digits is 19840464, while the sum is 64.

The square root of 969929749 is about 31143.6951725385. The cubic root of 969929749 is about 989.8744013026.

The spelling of 969929749 in words is "nine hundred sixty-nine million, nine hundred twenty-nine thousand, seven hundred forty-nine".