147637762231 has 2 divisors, whose sum is σ = 147637762232. Its totient is φ = 147637762230.

The previous prime is 147637762219. The next prime is 147637762249. The reversal of 147637762231 is 132267736741.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-147637762231 is a prime.

It is a super-2 number, since 2×147637762231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147637762931) 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, 73818881115 + 73818881116.

It is an arithmetic number, because the mean of its divisors is an integer number (73818881116).

Almost surely, 2^147637762231 is an apocalyptic number.

147637762231 is a deficient number, since it is larger than the sum of its proper divisors (1).

147637762231 is an equidigital number, since it uses as much as digits as its factorization.

147637762231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1778112, while the sum is 49.

The spelling of 147637762231 in words is "one hundred forty-seven billion, six hundred thirty-seven million, seven hundred sixty-two thousand, two hundred thirty-one".