1535974975990 has 128 divisors (see below), whose sum is σ = 3582657792000. Its totient is φ = 460424549376.

The previous prime is 1535974975891. The next prime is 1535974976021. The reversal of 1535974975990 is 995794795351.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 123772906 + ... + 123785314.

It is an arithmetic number, because the mean of its divisors is an integer number (27989514000).

Almost surely, 2^{1535974975990} is an apocalyptic number.

1535974975990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1535974975990 is an abundant number, since it is smaller than the sum of its proper divisors (2046682816010).

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

1535974975990 is a wasteful number, since it uses less digits than its factorization.

1535974975990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19614.

The product of its (nonzero) digits is 482233500, while the sum is 73.

The spelling of 1535974975990 in words is "one trillion, five hundred thirty-five billion, nine hundred seventy-four million, nine hundred seventy-five thousand, nine hundred ninety".