380641619 has 2 divisors, whose sum is σ = 380641620. Its totient is φ = 380641618.

The previous prime is 380641609. The next prime is 380641717. The reversal of 380641619 is 916146083.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 380641619 - 2⁴ = 380641603 is a prime.

It is a super-2 number, since 2×380641619² = 289776084229882322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (380641609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190320809 + 190320810.

It is an arithmetic number, because the mean of its divisors is an integer number (190320810).

Almost surely, 2^380641619 is an apocalyptic number.

380641619 is a deficient number, since it is larger than the sum of its proper divisors (1).

380641619 is an equidigital number, since it uses as much as digits as its factorization.

380641619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 380641619 is about 19510.0389287156. The cubic root of 380641619 is about 724.7230771168.

The spelling of 380641619 in words is "three hundred eighty million, six hundred forty-one thousand, six hundred nineteen".