42521029277 has 2 divisors, whose sum is σ = 42521029278. Its totient is φ = 42521029276.

The previous prime is 42521029253. The next prime is 42521029301. The reversal of 42521029277 is 77292012524.

It is a balanced prime because it is at equal distance from previous prime (42521029253) and next prime (42521029301).

It can be written as a sum of positive squares in only one way, i.e., 40951997956 + 1569031321 = 202366^2 + 39611^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42521029277 is a prime.

It is a super-2 number, since 2×42521029277² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42521029207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21260514638 + 21260514639.

It is an arithmetic number, because the mean of its divisors is an integer number (21260514639).

Almost surely, 2^42521029277 is an apocalyptic number.

It is an amenable number.

42521029277 is a deficient number, since it is larger than the sum of its proper divisors (1).

42521029277 is an equidigital number, since it uses as much as digits as its factorization.

42521029277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 141120, while the sum is 41.

The spelling of 42521029277 in words is "forty-two billion, five hundred twenty-one million, twenty-nine thousand, two hundred seventy-seven".