1915400063 has 2 divisors, whose sum is σ = 1915400064. Its totient is φ = 1915400062.

The previous prime is 1915400027. The next prime is 1915400077. The reversal of 1915400063 is 3600045191.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1915400063 - 2¹⁶ = 1915334527 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1915399999 and 1915400035.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1915400093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 957700031 + 957700032.

It is an arithmetic number, because the mean of its divisors is an integer number (957700032).

Almost surely, 2^1915400063 is an apocalyptic number.

1915400063 is a deficient number, since it is larger than the sum of its proper divisors (1).

1915400063 is an equidigital number, since it uses as much as digits as its factorization.

1915400063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 1915400063 is about 43765.2837646462. The cubic root of 1915400063 is about 1241.8996340871.

The spelling of 1915400063 in words is "one billion, nine hundred fifteen million, four hundred thousand, sixty-three".