1642381599375 has 480 divisors, whose sum is σ = 3569823290880. Its totient is φ = 738460800000.

The previous prime is 1642381599361. The next prime is 1642381599377. The reversal of 1642381599375 is 5739951832461.

1642381599375 is a `hidden beast` number, since 1 + 6 + 4 + 2 + 3 + 8 + 1 + 599 + 37 + 5 = 666.

It is not a de Polignac number, because 1642381599375 - 2⁴ = 1642381599359 is a prime.

Its product of digits (48988800) is a multiple of the sum of its prime divisors (360).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1642381599377) by changing a digit.

It is a polite number, since it can be written in 479 ways as a sum of consecutive naturals, for example, 5844774235 + ... + 5844774515.

It is an arithmetic number, because the mean of its divisors is an integer number (7437131856).

Almost surely, 2^{1642381599375} is an apocalyptic number.

1642381599375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1642381599375 is an abundant number, since it is smaller than the sum of its proper divisors (1927441691505).

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

1642381599375 is a wasteful number, since it uses less digits than its factorization.

1642381599375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418 (or 360 counting only the distinct ones).

The product of its digits is 48988800, while the sum is 63.

The spelling of 1642381599375 in words is "one trillion, six hundred forty-two billion, three hundred eighty-one million, five hundred ninety-nine thousand, three hundred seventy-five".