19408920341 has 8 divisors (see below), whose sum is σ = 20058263064. Its totient is φ = 18767956480.

The previous prime is 19408920329. The next prime is 19408920359. The reversal of 19408920341 is 14302980491.

It can be written as a sum of positive squares in 4 ways, for example, as 3560628241 + 15848292100 = 59671^2 + 125890^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 19408920341 - 2¹⁴ = 19408903957 is a prime.

It is a super-3 number, since 3×19408920341³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19408920241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2090006 + ... + 2099271.

It is an arithmetic number, because the mean of its divisors is an integer number (2507282883).

Almost surely, 2^19408920341 is an apocalyptic number.

It is an amenable number.

19408920341 is a deficient number, since it is larger than the sum of its proper divisors (649342723).

19408920341 is a wasteful number, since it uses less digits than its factorization.

19408920341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4189431.

The product of its (nonzero) digits is 62208, while the sum is 41.

The spelling of 19408920341 in words is "nineteen billion, four hundred eight million, nine hundred twenty thousand, three hundred forty-one".