401915804903 has 2 divisors, whose sum is σ = 401915804904. Its totient is φ = 401915804902.

The previous prime is 401915804897. The next prime is 401915804909. The reversal of 401915804903 is 309408519104.

It is a balanced prime because it is at equal distance from previous prime (401915804897) and next prime (401915804909).

It is a cyclic number.

It is not a de Polignac number, because 401915804903 - 2¹⁸ = 401915542759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401915804909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200957902451 + 200957902452.

It is an arithmetic number, because the mean of its divisors is an integer number (200957902452).

Almost surely, 2^401915804903 is an apocalyptic number.

401915804903 is a deficient number, since it is larger than the sum of its proper divisors (1).

401915804903 is an equidigital number, since it uses as much as digits as its factorization.

401915804903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 44.

The spelling of 401915804903 in words is "four hundred one billion, nine hundred fifteen million, eight hundred four thousand, nine hundred three".