7147242549 has 64 divisors (see below), whose sum is σ = 11312421120. Its totient is φ = 4453263360.

The previous prime is 7147242547. The next prime is 7147242551. The reversal of 7147242549 is 9452427417.

It is an interprime number because it is at equal distance from previous prime (7147242547) and next prime (7147242551).

It is not a de Polignac number, because 7147242549 - 2¹ = 7147242547 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7147242547) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2521437 + ... + 2524269.

It is an arithmetic number, because the mean of its divisors is an integer number (176756580).

Almost surely, 2^7147242549 is an apocalyptic number.

It is an amenable number.

7147242549 is a deficient number, since it is larger than the sum of its proper divisors (4165178571).

7147242549 is a wasteful number, since it uses less digits than its factorization.

7147242549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2979 (or 2973 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 7147242549 is about 84541.3659045085. The cubic root of 7147242549 is about 1926.2508359168.

The spelling of 7147242549 in words is "seven billion, one hundred forty-seven million, two hundred forty-two thousand, five hundred forty-nine".