147632746421 has 2 divisors, whose sum is σ = 147632746422. Its totient is φ = 147632746420.

The previous prime is 147632746379. The next prime is 147632746427. The reversal of 147632746421 is 124647236741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136279843921 + 11352902500 = 369161^2 + 106550^2 .

It is a cyclic number.

It is not a de Polignac number, because 147632746421 - 2²² = 147628552117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147632746427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73816373210 + 73816373211.

It is an arithmetic number, because the mean of its divisors is an integer number (73816373211).

Almost surely, 2^147632746421 is an apocalyptic number.

It is an amenable number.

147632746421 is a deficient number, since it is larger than the sum of its proper divisors (1).

147632746421 is an equidigital number, since it uses as much as digits as its factorization.

147632746421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1354752, while the sum is 47.

The spelling of 147632746421 in words is "one hundred forty-seven billion, six hundred thirty-two million, seven hundred forty-six thousand, four hundred twenty-one".