7516849069 has 2 divisors, whose sum is σ = 7516849070. Its totient is φ = 7516849068.

The previous prime is 7516849063. The next prime is 7516849079. The reversal of 7516849069 is 9609486157.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5067588969 + 2449260100 = 71187^2 + 49490^2 .

It is a cyclic number.

It is not a de Polignac number, because 7516849069 - 2³ = 7516849061 is a prime.

It is a super-2 number, since 2×7516849069² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7516849061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3758424534 + 3758424535.

It is an arithmetic number, because the mean of its divisors is an integer number (3758424535).

Almost surely, 2^7516849069 is an apocalyptic number.

It is an amenable number.

7516849069 is a deficient number, since it is larger than the sum of its proper divisors (1).

7516849069 is an equidigital number, since it uses as much as digits as its factorization.

7516849069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3265920, while the sum is 55.

The square root of 7516849069 is about 86699.7639500824. The cubic root of 7516849069 is about 1958.8985437218.

The spelling of 7516849069 in words is "seven billion, five hundred sixteen million, eight hundred forty-nine thousand, sixty-nine".