537447606068 has 6 divisors (see below), whose sum is σ = 940533310626. Its totient is φ = 268723803032.

The previous prime is 537447606067. The next prime is 537447606107. The reversal of 537447606068 is 860606744735.

It can be written as a sum of positive squares in only one way, i.e., 523426204324 + 14021401744 = 723482^2 + 118412^2 .

It is a super-2 number, since 2×537447606068² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (537447606067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67180950755 + ... + 67180950762.

It is an arithmetic number, because the mean of its divisors is an integer number (156755551771).

Almost surely, 2^537447606068 is an apocalyptic number.

It is an amenable number.

537447606068 is a deficient number, since it is larger than the sum of its proper divisors (403085704558).

537447606068 is a wasteful number, since it uses less digits than its factorization.

537447606068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134361901521 (or 134361901519 counting only the distinct ones).

The product of its (nonzero) digits is 20321280, while the sum is 56.

The spelling of 537447606068 in words is "five hundred thirty-seven billion, four hundred forty-seven million, six hundred six thousand, sixty-eight".