380442647951 has 2 divisors, whose sum is σ = 380442647952. Its totient is φ = 380442647950.

The previous prime is 380442647873. The next prime is 380442647999. The reversal of 380442647951 is 159746244083.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-380442647951 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 380442647893 and 380442647902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (380442647551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190221323975 + 190221323976.

It is an arithmetic number, because the mean of its divisors is an integer number (190221323976).

It is a 1-persistent number, because it is pandigital, but 2⋅380442647951 = 760885295902 is not.

Almost surely, 2^380442647951 is an apocalyptic number.

380442647951 is a deficient number, since it is larger than the sum of its proper divisors (1).

380442647951 is an equidigital number, since it uses as much as digits as its factorization.

380442647951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5806080, while the sum is 53.

The spelling of 380442647951 in words is "three hundred eighty billion, four hundred forty-two million, six hundred forty-seven thousand, nine hundred fifty-one".