4645621049 has 8 divisors (see below), whose sum is σ = 4891502880. Its totient is φ = 4399876800.

The previous prime is 4645621037. The next prime is 4645621063. The reversal of 4645621049 is 9401265464.

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 4645621049 - 2¹⁶ = 4645555513 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4645620997 and 4645621015.

It is not an unprimeable number, because it can be changed into a prime (4645621249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38954 + ... + 103964.

It is an arithmetic number, because the mean of its divisors is an integer number (611437860).

Almost surely, 2^4645621049 is an apocalyptic number.

It is an amenable number.

4645621049 is a deficient number, since it is larger than the sum of its proper divisors (245881831).

4645621049 is a wasteful number, since it uses less digits than its factorization.

4645621049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68791.

The product of its (nonzero) digits is 207360, while the sum is 41.

The square root of 4645621049 is about 68158.7928957079. The cubic root of 4645621049 is about 1668.5834317530.

The spelling of 4645621049 in words is "four billion, six hundred forty-five million, six hundred twenty-one thousand, forty-nine".