63427740351532 has 48 divisors (see below), whose sum is σ = 115453767260160. Its totient is φ = 30456760521600.

The previous prime is 63427740351529. The next prime is 63427740351541. The reversal of 63427740351532 is 23515304772436.

It is a super-2 number, since 2×63427740351532² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 63427740351532.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38790057 + ... + 40392127.

It is an arithmetic number, because the mean of its divisors is an integer number (2405286817920).

Almost surely, 2^{63427740351532} is an apocalyptic number.

63427740351532 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

63427740351532 is a deficient number, since it is larger than the sum of its proper divisors (52026026908628).

63427740351532 is a wasteful number, since it uses less digits than its factorization.

63427740351532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1604542 (or 1604540 counting only the distinct ones).

The product of its (nonzero) digits is 12700800, while the sum is 52.

The spelling of 63427740351532 in words is "sixty-three trillion, four hundred twenty-seven billion, seven hundred forty million, three hundred fifty-one thousand, five hundred thirty-two".