7150078549 has 2 divisors, whose sum is σ = 7150078550. Its totient is φ = 7150078548.

The previous prime is 7150078547. The next prime is 7150078631. The reversal of 7150078549 is 9458700517.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4393303524 + 2756775025 = 66282^2 + 52505^2 .

It is a cyclic number.

It is not a de Polignac number, because 7150078549 - 2¹ = 7150078547 is a prime.

It is a super-2 number, since 2×7150078549² (a number of 21 digits) contains 22 as substring.

Together with 7150078547, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 7150078499 and 7150078508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7150078541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3575039274 + 3575039275.

It is an arithmetic number, because the mean of its divisors is an integer number (3575039275).

Almost surely, 2^7150078549 is an apocalyptic number.

It is an amenable number.

7150078549 is a deficient number, since it is larger than the sum of its proper divisors (1).

7150078549 is an equidigital number, since it uses as much as digits as its factorization.

7150078549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 352800, while the sum is 46.

The square root of 7150078549 is about 84558.1370951371. The cubic root of 7150078549 is about 1926.5055786817.

The spelling of 7150078549 in words is "seven billion, one hundred fifty million, seventy-eight thousand, five hundred forty-nine".