201400834519 has 4 divisors (see below), whose sum is σ = 201401964544. Its totient is φ = 201399704496.

The previous prime is 201400834517. The next prime is 201400834541. The reversal of 201400834519 is 915438004102.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 201400834519 - 2¹ = 201400834517 is a prime.

It is a super-2 number, since 2×201400834519² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201400834517) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 232407 + ... + 675880.

It is an arithmetic number, because the mean of its divisors is an integer number (50350491136).

Almost surely, 2^201400834519 is an apocalyptic number.

201400834519 is a deficient number, since it is larger than the sum of its proper divisors (1130025).

201400834519 is an equidigital number, since it uses as much as digits as its factorization.

201400834519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130024.

The product of its (nonzero) digits is 34560, while the sum is 37.

The spelling of 201400834519 in words is "two hundred one billion, four hundred million, eight hundred thirty-four thousand, five hundred nineteen".