7449649465 has 8 divisors (see below), whose sum is σ = 8940100680. Its totient is φ = 5959372032.

The previous prime is 7449649457. The next prime is 7449649499. The reversal of 7449649465 is 5649469447.

It can be written as a sum of positive squares in 4 ways, for example, as 793210896 + 6656438569 = 28164^2 + 81587^2 .

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 7449649465 - 2³ = 7449649457 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85857 + ... + 149233.

It is an arithmetic number, because the mean of its divisors is an integer number (1117512585).

Almost surely, 2^7449649465 is an apocalyptic number.

It is an amenable number.

7449649465 is a deficient number, since it is larger than the sum of its proper divisors (1490451215).

7449649465 is a wasteful number, since it uses less digits than its factorization.

7449649465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86891.

The product of its digits is 26127360, while the sum is 58.

The square root of 7449649465 is about 86311.3518895400. The cubic root of 7449649465 is about 1953.0436330613.

The spelling of 7449649465 in words is "seven billion, four hundred forty-nine million, six hundred forty-nine thousand, four hundred sixty-five".