1428617755770 has 16 divisors (see below), whose sum is σ = 3428682613920. Its totient is φ = 380964734864.

The previous prime is 1428617755717. The next prime is 1428617755783. The reversal of 1428617755770 is 775577168241.

It is a happy number.

It is a super-3 number, since 3×1428617755770³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23810295900 + ... + 23810295959.

It is an arithmetic number, because the mean of its divisors is an integer number (214292663370).

Almost surely, 2^{1428617755770} is an apocalyptic number.

1428617755770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1428617755770 is an abundant number, since it is smaller than the sum of its proper divisors (2000064858150).

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

1428617755770 is a wasteful number, since it uses less digits than its factorization.

1428617755770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47620591869.

The product of its (nonzero) digits is 23049600, while the sum is 60.

The spelling of 1428617755770 in words is "one trillion, four hundred twenty-eight billion, six hundred seventeen million, seven hundred fifty-five thousand, seven hundred seventy".