1627948313 has 2 divisors, whose sum is σ = 1627948314. Its totient is φ = 1627948312.

The previous prime is 1627948277. The next prime is 1627948327. The reversal of 1627948313 is 3138497261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1383244864 + 244703449 = 37192^2 + 15643^2 .

It is a cyclic number.

It is not a de Polignac number, because 1627948313 - 2²² = 1623754009 is a prime.

It is not a weakly prime, because it can be changed into another prime (1627948013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 813974156 + 813974157.

It is an arithmetic number, because the mean of its divisors is an integer number (813974157).

Almost surely, 2^1627948313 is an apocalyptic number.

It is an amenable number.

1627948313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1627948313 is an equidigital number, since it uses as much as digits as its factorization.

1627948313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 44.

The square root of 1627948313 is about 40347.8414912124. The cubic root of 1627948313 is about 1176.3779369079.

It can be divided in two parts, 1627948 and 313, that added together give a palindrome (1628261).

The spelling of 1627948313 in words is "one billion, six hundred twenty-seven million, nine hundred forty-eight thousand, three hundred thirteen".