601621602602 has 4 divisors (see below), whose sum is σ = 902432403906. Its totient is φ = 300810801300.

The previous prime is 601621602577. The next prime is 601621602607. The reversal of 601621602602 is 206206126106.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 592313405161 + 9308197441 = 769619^2 + 96479^2 .

It is not an unprimeable number, because it can be changed into a prime (601621602607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150405400649 + ... + 150405400652.

Almost surely, 2^601621602602 is an apocalyptic number.

601621602602 is a deficient number, since it is larger than the sum of its proper divisors (300810801304).

601621602602 is a wasteful number, since it uses less digits than its factorization.

601621602602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300810801303.

The product of its (nonzero) digits is 10368, while the sum is 32.

Adding to 601621602602 its reverse (206206126106), we get a palindrome (807827728708).

The spelling of 601621602602 in words is "six hundred one billion, six hundred twenty-one million, six hundred two thousand, six hundred two".