7148742955770 has 64 divisors (see below), whose sum is σ = 18478797966720. Its totient is φ = 1759495627008.

The previous prime is 7148742955747. The next prime is 7148742955831. The reversal of 7148742955770 is 775592478417.

It is a super-2 number, since 2×7148742955770² (a number of 27 digits) contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 2525316 + ... + 4546944.

It is an arithmetic number, because the mean of its divisors is an integer number (288731218230).

Almost surely, 2^{7148742955770} is an apocalyptic number.

7148742955770 is an abundant number, since it is smaller than the sum of its proper divisors (11330055010950).

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

7148742955770 is a wasteful number, since it uses less digits than its factorization.

7148742955770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2030719.

The product of its (nonzero) digits is 138297600, while the sum is 66.

The spelling of 7148742955770 in words is "seven trillion, one hundred forty-eight billion, seven hundred forty-two million, nine hundred fifty-five thousand, seven hundred seventy".