4551521402 has 16 divisors (see below), whose sum is σ = 7188612000. Its totient is φ = 2155384080.

The previous prime is 4551521399. The next prime is 4551521417. The reversal of 4551521402 is 2041251554.

It is an unprimeable number.

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, 141152 + ... + 170372.

It is an arithmetic number, because the mean of its divisors is an integer number (449288250).

Almost surely, 2^4551521402 is an apocalyptic number.

4551521402 is a deficient number, since it is larger than the sum of its proper divisors (2637090598).

4551521402 is a wasteful number, since it uses less digits than its factorization.

4551521402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33341.

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 4551521402 is about 67464.9642555304. The cubic root of 4551521402 is about 1657.2404679232.

Adding to 4551521402 its reverse (2041251554), we get a palindrome (6592772956).

The spelling of 4551521402 in words is "four billion, five hundred fifty-one million, five hundred twenty-one thousand, four hundred two".