401949103 has 2 divisors, whose sum is σ = 401949104. Its totient is φ = 401949102.

The previous prime is 401949089. The next prime is 401949109. The reversal of 401949103 is 301949104.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-401949103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401949109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200974551 + 200974552.

It is an arithmetic number, because the mean of its divisors is an integer number (200974552).

Almost surely, 2^401949103 is an apocalyptic number.

401949103 is a deficient number, since it is larger than the sum of its proper divisors (1).

401949103 is an equidigital number, since it uses as much as digits as its factorization.

401949103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 401949103 is about 20048.6683597689. The cubic root of 401949103 is about 738.0011206080.

Subtracting from 401949103 its reverse (301949104), we obtain a palindrome (99999999).

The spelling of 401949103 in words is "four hundred one million, nine hundred forty-nine thousand, one hundred three".