370342521621 has 12 divisors (see below), whose sum is σ = 566406209772. Its totient is φ = 232371778176.

The previous prime is 370342521607. The next prime is 370342521701. The reversal of 370342521621 is 126125243073.

370342521621 is a `hidden beast` number, since 3 + 7 + 0 + 3 + 4 + 2 + 5 + 21 + 621 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 118023167025 + 252319354596 = 343545^2 + 502314^2 .

It is not a de Polignac number, because 370342521621 - 2⁶ = 370342521557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (370342531621) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1210269526 + ... + 1210269831.

It is an arithmetic number, because the mean of its divisors is an integer number (47200517481).

Almost surely, 2^370342521621 is an apocalyptic number.

It is an amenable number.

370342521621 is a deficient number, since it is larger than the sum of its proper divisors (196063688151).

370342521621 is a wasteful number, since it uses less digits than its factorization.

370342521621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2420539380 (or 2420539377 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

Adding to 370342521621 its reverse (126125243073), we get a palindrome (496467764694).

The spelling of 370342521621 in words is "three hundred seventy billion, three hundred forty-two million, five hundred twenty-one thousand, six hundred twenty-one".