7609376989 has 4 divisors (see below), whose sum is σ = 7609705020. Its totient is φ = 7609048960.

The previous prime is 7609376927. The next prime is 7609377007. The reversal of 7609376989 is 9896739067.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9896739067 = 30643 ⋅322969.

It can be written as a sum of positive squares in 2 ways, for example, as 2609472889 + 4999904100 = 51083^2 + 70710^2 .

It is a cyclic number.

It is not a de Polignac number, because 7609376989 - 2²¹ = 7607279837 is a prime.

It is a super-2 number, since 2×7609376989² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7609376989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7609376909) 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, 126334 + ... + 176575.

It is an arithmetic number, because the mean of its divisors is an integer number (1902426255).

Almost surely, 2^7609376989 is an apocalyptic number.

It is an amenable number.

7609376989 is a deficient number, since it is larger than the sum of its proper divisors (328031).

7609376989 is a wasteful number, since it uses less digits than its factorization.

7609376989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328030.

The product of its (nonzero) digits is 30862944, while the sum is 64.

The square root of 7609376989 is about 87231.7430125066. The cubic root of 7609376989 is about 1966.9034114532.

The spelling of 7609376989 in words is "seven billion, six hundred nine million, three hundred seventy-six thousand, nine hundred eighty-nine".