944215421602 has 8 divisors (see below), whose sum is σ = 1416377349612. Its totient is φ = 472089638400.

The previous prime is 944215421593. The next prime is 944215421609. The reversal of 944215421602 is 206124512449.

It can be written as a sum of positive squares in 2 ways, for example, as 884086987081 + 60128434521 = 940259^2 + 245211^2 .

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

It is not an unprimeable number, because it can be changed into a prime (944215421609) 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, 8970799 + ... + 9075442.

Almost surely, 2^944215421602 is an apocalyptic number.

944215421602 is a deficient number, since it is larger than the sum of its proper divisors (472161928010).

944215421602 is a wasteful number, since it uses less digits than its factorization.

944215421602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18072404.

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 944215421602 in words is "nine hundred forty-four billion, two hundred fifteen million, four hundred twenty-one thousand, six hundred two".