427470619 has 2 divisors, whose sum is σ = 427470620. Its totient is φ = 427470618.

The previous prime is 427470577. The next prime is 427470629. The reversal of 427470619 is 916074724.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-427470619 is a prime.

It is a super-2 number, since 2×427470619² = 365462260216486322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (427470629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213735309 + 213735310.

It is an arithmetic number, because the mean of its divisors is an integer number (213735310).

Almost surely, 2^427470619 is an apocalyptic number.

427470619 is a deficient number, since it is larger than the sum of its proper divisors (1).

427470619 is an equidigital number, since it uses as much as digits as its factorization.

427470619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 427470619 is about 20675.3626086703. The cubic root of 427470619 is about 753.3013689982.

The spelling of 427470619 in words is "four hundred twenty-seven million, four hundred seventy thousand, six hundred nineteen".