869762149 has 4 divisors (see below), whose sum is σ = 870314560. Its totient is φ = 869209740.

The previous prime is 869762147. The next prime is 869762189. The reversal of 869762149 is 941267968.

It is a happy number.

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 869762149 - 2¹ = 869762147 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 869762096 and 869762105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (869762147) 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, 273837 + ... + 276994.

It is an arithmetic number, because the mean of its divisors is an integer number (217578640).

Almost surely, 2^869762149 is an apocalyptic number.

It is an amenable number.

869762149 is a deficient number, since it is larger than the sum of its proper divisors (552411).

869762149 is a wasteful number, since it uses less digits than its factorization.

869762149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552410.

The product of its digits is 1306368, while the sum is 52.

The square root of 869762149 is about 29491.7301798318. The cubic root of 869762149 is about 954.5532660170.

The spelling of 869762149 in words is "eight hundred sixty-nine million, seven hundred sixty-two thousand, one hundred forty-nine".