1682381401 has 4 divisors (see below), whose sum is σ = 1710896400. Its totient is φ = 1653866404.

The previous prime is 1682381359. The next prime is 1682381411. The reversal of 1682381401 is 1041832861.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1041832861 = 5087 ⋅204803.

It is a cyclic number.

It is not a de Polignac number, because 1682381401 - 2⁷ = 1682381273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1682381411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14257411 + ... + 14257528.

It is an arithmetic number, because the mean of its divisors is an integer number (427724100).

Almost surely, 2^1682381401 is an apocalyptic number.

It is an amenable number.

1682381401 is a deficient number, since it is larger than the sum of its proper divisors (28514999).

1682381401 is an equidigital number, since it uses as much as digits as its factorization.

1682381401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28514998.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 1682381401 is about 41016.8428941088. The cubic root of 1682381401 is about 1189.3458262181.

The spelling of 1682381401 in words is "one billion, six hundred eighty-two million, three hundred eighty-one thousand, four hundred one".