7490366549 has 8 divisors (see below), whose sum is σ = 7951371480. Its totient is φ = 7031627776.

The previous prime is 7490366509. The next prime is 7490366573. The reversal of 7490366549 is 9456630947.

It can be written as a sum of positive squares in 4 ways, for example, as 3444516100 + 4045850449 = 58690^2 + 63607^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7490366549 - 2⁸ = 7490366293 is a prime.

It is a super-2 number, since 2×7490366549² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7490366549.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7490366509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 559724 + ... + 572949.

It is an arithmetic number, because the mean of its divisors is an integer number (993921435).

Almost surely, 2^7490366549 is an apocalyptic number.

It is an amenable number.

7490366549 is a deficient number, since it is larger than the sum of its proper divisors (461004931).

7490366549 is a wasteful number, since it uses less digits than its factorization.

7490366549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133079.

The product of its (nonzero) digits is 4898880, while the sum is 53.

The square root of 7490366549 is about 86546.9037516652. The cubic root of 7490366549 is about 1956.5953795985.

The spelling of 7490366549 in words is "seven billion, four hundred ninety million, three hundred sixty-six thousand, five hundred forty-nine".