1552749406986 has 32 divisors (see below), whose sum is σ = 3240799004160. Its totient is φ = 495036972144.

The previous prime is 1552749406931. The next prime is 1552749406991. The reversal of 1552749406986 is 6896049472551.

It is a super-2 number, since 2×1552749406986² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1147881 + ... + 2103123.

It is an arithmetic number, because the mean of its divisors is an integer number (101274968880).

Almost surely, 2^{1552749406986} is an apocalyptic number.

1552749406986 is an abundant number, since it is smaller than the sum of its proper divisors (1688049597174).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1552749406986 is a wasteful number, since it uses less digits than its factorization.

1552749406986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967050.

The product of its (nonzero) digits is 130636800, while the sum is 66.

The spelling of 1552749406986 in words is "one trillion, five hundred fifty-two billion, seven hundred forty-nine million, four hundred six thousand, nine hundred eighty-six".