7557049413 has 8 divisors (see below), whose sum is σ = 11195628800. Its totient is φ = 5038032924.

The previous prime is 7557049369. The next prime is 7557049427. The reversal of 7557049413 is 3149407557.

7557049413 is a `hidden beast` number, since 7 + 557 + 0 + 4 + 94 + 1 + 3 = 666.

It is not a de Polignac number, because 7557049413 - 2¹² = 7557045317 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7557049463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139945333 + ... + 139945386.

It is an arithmetic number, because the mean of its divisors is an integer number (1399453600).

Almost surely, 2^7557049413 is an apocalyptic number.

It is an amenable number.

7557049413 is a deficient number, since it is larger than the sum of its proper divisors (3638579387).

7557049413 is a wasteful number, since it uses less digits than its factorization.

7557049413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279890728 (or 279890722 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 45.

The square root of 7557049413 is about 86931.2913340185. The cubic root of 7557049413 is about 1962.3844204614.

The spelling of 7557049413 in words is "seven billion, five hundred fifty-seven million, forty-nine thousand, four hundred thirteen".