7534898549 has 2 divisors, whose sum is σ = 7534898550. Its totient is φ = 7534898548.

The previous prime is 7534898519. The next prime is 7534898573. The reversal of 7534898549 is 9458984357.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7531115524 + 3783025 = 86782^2 + 1945^2 .

It is a cyclic number.

It is not a de Polignac number, because 7534898549 - 2¹⁶ = 7534833013 is a prime.

It is a super-2 number, since 2×7534898549² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7534898491 and 7534898500.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7534898519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3767449274 + 3767449275.

It is an arithmetic number, because the mean of its divisors is an integer number (3767449275).

Almost surely, 2^7534898549 is an apocalyptic number.

It is an amenable number.

7534898549 is a deficient number, since it is larger than the sum of its proper divisors (1).

7534898549 is an equidigital number, since it uses as much as digits as its factorization.

7534898549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43545600, while the sum is 62.

The square root of 7534898549 is about 86803.7934021319. The cubic root of 7534898549 is about 1960.4651947479.

The spelling of 7534898549 in words is "seven billion, five hundred thirty-four million, eight hundred ninety-eight thousand, five hundred forty-nine".