147283736021 has 4 divisors (see below), whose sum is σ = 147380443872. Its totient is φ = 147187028172.

The previous prime is 147283735961. The next prime is 147283736027. The reversal of 147283736021 is 120637382741.

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, and also an emirpimes, since its reverse is a distinct semiprime: 120637382741 = 6143 ⋅19638187.

It is a cyclic number.

It is not a de Polignac number, because 147283736021 - 2⁶ = 147283735957 is a prime.

It is a super-2 number, since 2×147283736021² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147283736027) 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, 48351641 + ... + 48354686.

It is an arithmetic number, because the mean of its divisors is an integer number (36845110968).

Almost surely, 2^147283736021 is an apocalyptic number.

It is an amenable number.

147283736021 is a deficient number, since it is larger than the sum of its proper divisors (96707851).

147283736021 is an equidigital number, since it uses as much as digits as its factorization.

147283736021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96707850.

The product of its (nonzero) digits is 338688, while the sum is 44.

The spelling of 147283736021 in words is "one hundred forty-seven billion, two hundred eighty-three million, seven hundred thirty-six thousand, twenty-one".