19390284001 has 9 divisors (see below), whose sum is σ = 21314971153. Its totient is φ = 17626138420.

The previous prime is 19390283989. The next prime is 19390284013. The reversal of 19390284001 is 10048209391.

The square root of 19390284001 is 139249.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (19390283989) and next prime (19390284013).

It is not a de Polignac number, because 19390284001 - 2³³ = 10800349409 is a prime.

It is a super-2 number, since 2×19390284001² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19390284041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1525410 + ... + 1538068.

Almost surely, 2^19390284001 is an apocalyptic number.

19390284001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

19390284001 is the 139249-th square number.

19390284001 is the 69625-th centered octagonal number.

It is an amenable number.

19390284001 is a deficient number, since it is larger than the sum of its proper divisors (1924687152).

19390284001 is an frugal number, since it uses more digits than its factorization.

19390284001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25340 (or 12670 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 37.

The spelling of 19390284001 in words is "nineteen billion, three hundred ninety million, two hundred eighty-four thousand, one".