62971385481 has 27 divisors (see below), whose sum is σ = 91605891559. Its totient is φ = 41684311392.

The previous prime is 62971385461. The next prime is 62971385507. The reversal of 62971385481 is 18458317926.

The square root of 62971385481 is 250941.

It is a perfect power (a square), and thus also a powerful number.

62971385481 is a `hidden beast` number, since 6 + 2 + 97 + 1 + 3 + 8 + 548 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 12788217225 + 50183168256 = 113085^2 + 224016^2 .

It is not a de Polignac number, because 62971385481 - 2¹⁵ = 62971352713 is a prime.

It is a super-2 number, since 2×62971385481² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (62971385461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 175407580 + ... + 175407938.

Almost surely, 2^62971385481 is an apocalyptic number.

62971385481 is the 250941-st square number.

62971385481 is the 125471-st centered octagonal number.

It is an amenable number.

62971385481 is a deficient number, since it is larger than the sum of its proper divisors (28634506078).

62971385481 is an frugal number, since it uses more digits than its factorization.

62971385481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1190 (or 595 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The spelling of 62971385481 in words is "sixty-two billion, nine hundred seventy-one million, three hundred eighty-five thousand, four hundred eighty-one".