4408158849621 has 8 divisors (see below), whose sum is σ = 5896443993024. Its totient is φ = 2929323136320.

The previous prime is 4408158849613. The next prime is 4408158849629. The reversal of 4408158849621 is 1269488518044.

It is an interprime number because it is at equal distance from previous prime (4408158849613) and next prime (4408158849629).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4408158849621 - 2³ = 4408158849613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4408158849629) 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, 2362356436 + ... + 2362358301.

It is an arithmetic number, because the mean of its divisors is an integer number (737055499128).

Almost surely, 2^{4408158849621} is an apocalyptic number.

It is an amenable number.

4408158849621 is a deficient number, since it is larger than the sum of its proper divisors (1488285143403).

4408158849621 is a wasteful number, since it uses less digits than its factorization.

4408158849621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4724715051.

The product of its (nonzero) digits is 17694720, while the sum is 60.

The spelling of 4408158849621 in words is "four trillion, four hundred eight billion, one hundred fifty-eight million, eight hundred forty-nine thousand, six hundred twenty-one".