969397813 has 4 divisors (see below), whose sum is σ = 1011545568. Its totient is φ = 927250060.

The previous prime is 969397811. The next prime is 969397823. The reversal of 969397813 is 318793969.

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 not a de Polignac number, because 969397813 - 2¹ = 969397811 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 (969397811) 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, 21073843 + ... + 21073888.

It is an arithmetic number, because the mean of its divisors is an integer number (252886392).

Almost surely, 2^969397813 is an apocalyptic number.

It is an amenable number.

969397813 is a deficient number, since it is larger than the sum of its proper divisors (42147755).

969397813 is a wasteful number, since it uses less digits than its factorization.

969397813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42147754.

The product of its digits is 2204496, while the sum is 55.

The square root of 969397813 is about 31135.1539742459. The cubic root of 969397813 is about 989.6934101475.

The spelling of 969397813 in words is "nine hundred sixty-nine million, three hundred ninety-seven thousand, eight hundred thirteen".