7949449497 has 64 divisors (see below), whose sum is σ = 12292300800. Its totient is φ = 4522552320.

The previous prime is 7949449493. The next prime is 7949449513.

7949449497 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 7949449497 - 2² = 7949449493 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7949449493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13970629 + ... + 13971197.

It is an arithmetic number, because the mean of its divisors is an integer number (192067200).

Almost surely, 2^7949449497 is an apocalyptic number.

It is an amenable number.

7949449497 is a deficient number, since it is larger than the sum of its proper divisors (4342851303).

7949449497 is a wasteful number, since it uses less digits than its factorization.

7949449497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918.

The product of its digits is 82301184, while the sum is 66.

The square root of 7949449497 is about 89159.6853796602. The cubic root of 7949449497 is about 1995.7785540494.

It can be divided in two parts, 7949 and 449497, that added together give a triangular number (457446 = T₉₅₆).

The spelling of 7949449497 in words is "seven billion, nine hundred forty-nine million, four hundred forty-nine thousand, four hundred ninety-seven".