427747632049 has 2 divisors, whose sum is σ = 427747632050. Its totient is φ = 427747632048.

The previous prime is 427747632031. The next prime is 427747632097. The reversal of 427747632049 is 940236747724.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 413674080625 + 14073551424 = 643175^2 + 118632^2 .

It is a cyclic number.

It is not a de Polignac number, because 427747632049 - 2¹¹ = 427747630001 is a prime.

It is a super-3 number, since 3×427747632049³ (a number of 36 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (427747632029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213873816024 + 213873816025.

It is an arithmetic number, because the mean of its divisors is an integer number (213873816025).

Almost surely, 2^427747632049 is an apocalyptic number.

It is an amenable number.

427747632049 is a deficient number, since it is larger than the sum of its proper divisors (1).

427747632049 is an equidigital number, since it uses as much as digits as its factorization.

427747632049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14224896, while the sum is 55.

The spelling of 427747632049 in words is "four hundred twenty-seven billion, seven hundred forty-seven million, six hundred thirty-two thousand, forty-nine".