4651215449 has 4 divisors (see below), whose sum is σ = 4652608464. Its totient is φ = 4649822436.

The previous prime is 4651215433. The next prime is 4651215461. The reversal of 4651215449 is 9445121564.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4651215449 - 2⁴ = 4651215433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4651215649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 691487 + ... + 698180.

It is an arithmetic number, because the mean of its divisors is an integer number (1163152116).

Almost surely, 2^4651215449 is an apocalyptic number.

It is an amenable number.

4651215449 is a deficient number, since it is larger than the sum of its proper divisors (1393015).

4651215449 is a wasteful number, since it uses less digits than its factorization.

4651215449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1393014.

The product of its digits is 172800, while the sum is 41.

The square root of 4651215449 is about 68199.8200070939. The cubic root of 4651215449 is about 1669.2529495996.

The spelling of 4651215449 in words is "four billion, six hundred fifty-one million, two hundred fifteen thousand, four hundred forty-nine".