7969394522 has 12 divisors (see below), whose sum is σ = 12496434090. Its totient is φ = 3811449048.

The previous prime is 7969394509. The next prime is 7969394539. The reversal of 7969394522 is 2254939697.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6380654641 + 1588739881 = 79879^2 + 39859^2 .

It is a super-2 number, since 2×7969394522² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3765197 + ... + 3767312.

Almost surely, 2^7969394522 is an apocalyptic number.

7969394522 is a deficient number, since it is larger than the sum of its proper divisors (4527039568).

7969394522 is a wasteful number, since it uses less digits than its factorization.

7969394522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7532557 (or 7532534 counting only the distinct ones).

The product of its digits is 7348320, while the sum is 56.

The square root of 7969394522 is about 89271.4653290737. The cubic root of 7969394522 is about 1997.4462841555.

The spelling of 7969394522 in words is "seven billion, nine hundred sixty-nine million, three hundred ninety-four thousand, five hundred twenty-two".