7534429849 has 2 divisors, whose sum is σ = 7534429850. Its totient is φ = 7534429848.

The previous prime is 7534429831. The next prime is 7534429891. The reversal of 7534429849 is 9489244357.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5830391449 + 1704038400 = 76357^2 + 41280^2 .

It is an emirp because it is prime and its reverse (9489244357) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7534429849 - 2⁹ = 7534429337 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7534429849.

It is not a weakly prime, because it can be changed into another prime (7534429249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3767214924 + 3767214925.

It is an arithmetic number, because the mean of its divisors is an integer number (3767214925).

Almost surely, 2^7534429849 is an apocalyptic number.

It is an amenable number.

7534429849 is a deficient number, since it is larger than the sum of its proper divisors (1).

7534429849 is an equidigital number, since it uses as much as digits as its factorization.

7534429849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8709120, while the sum is 55.

The square root of 7534429849 is about 86801.0935933413. The cubic root of 7534429849 is about 1960.4245443847.

The spelling of 7534429849 in words is "seven billion, five hundred thirty-four million, four hundred twenty-nine thousand, eight hundred forty-nine".