147630025221321 has 4 divisors (see below), whose sum is σ = 196840033628432. Its totient is φ = 98420016814212.

The previous prime is 147630025221257. The next prime is 147630025221449. The reversal of 147630025221321 is 123122520036741.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 147630025221321 - 2⁶ = 147630025221257 is a prime.

It is a super-3 number, since 3×147630025221321³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 147630025221321.

It is not an unprimeable number, because it can be changed into a prime (147630025222321) 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, 24605004203551 + ... + 24605004203556.

It is an arithmetic number, because the mean of its divisors is an integer number (49210008407108).

Almost surely, 2^{147630025221321} is an apocalyptic number.

It is an amenable number.

147630025221321 is a deficient number, since it is larger than the sum of its proper divisors (49210008407111).

147630025221321 is an equidigital number, since it uses as much as digits as its factorization.

147630025221321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49210008407110.

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 147630025221321 in words is "one hundred forty-seven trillion, six hundred thirty billion, twenty-five million, two hundred twenty-one thousand, three hundred twenty-one".