1642954295100 has 72 divisors (see below), whose sum is σ = 5033238820848. Its totient is φ = 412349312000.

The previous prime is 1642954295071. The next prime is 1642954295137. The reversal of 1642954295100 is 15924592461.

It is a self number, because there is not a number n which added to its sum of digits gives 1642954295100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 161068851 + ... + 161079050.

It is an arithmetic number, because the mean of its divisors is an integer number (69906094734).

Almost surely, 2^{1642954295100} is an apocalyptic number.

1642954295100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1642954295100 is an abundant number, since it is smaller than the sum of its proper divisors (3390284525748).

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

1642954295100 is a wasteful number, since it uses less digits than its factorization.

1642954295100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322147935 (or 322147928 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 48.

The spelling of 1642954295100 in words is "one trillion, six hundred forty-two billion, nine hundred fifty-four million, two hundred ninety-five thousand, one hundred".