1948461401 has 2 divisors, whose sum is σ = 1948461402. Its totient is φ = 1948461400.

The previous prime is 1948461391. The next prime is 1948461421. The reversal of 1948461401 is 1041648491.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1948339600 + 121801 = 44140^2 + 349^2 .

It is a cyclic number.

It is not a de Polignac number, because 1948461401 - 2¹⁴ = 1948445017 is a prime.

It is not a weakly prime, because it can be changed into another prime (1948461421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 974230700 + 974230701.

It is an arithmetic number, because the mean of its divisors is an integer number (974230701).

Almost surely, 2^1948461401 is an apocalyptic number.

It is an amenable number.

1948461401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1948461401 is an equidigital number, since it uses as much as digits as its factorization.

1948461401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 1948461401 is about 44141.3796907165. The cubic root of 1948461401 is about 1249.0043059653.

The spelling of 1948461401 in words is "one billion, nine hundred forty-eight million, four hundred sixty-one thousand, four hundred one".