3915461563 has 16 divisors (see below), whose sum is σ = 4244677920. Its totient is φ = 3590332416.

The previous prime is 3915461531. The next prime is 3915461567. The reversal of 3915461563 is 3651645193.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 3915461563 - 2⁵ = 3915461531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3915461567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1398481 + ... + 1401277.

It is an arithmetic number, because the mean of its divisors is an integer number (265292370).

Almost surely, 2^3915461563 is an apocalyptic number.

3915461563 is a deficient number, since it is larger than the sum of its proper divisors (329216357).

3915461563 is a wasteful number, since it uses less digits than its factorization.

3915461563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3486.

The product of its digits is 291600, while the sum is 43.

The square root of 3915461563 is about 62573.6491104682. The cubic root of 3915461563 is about 1576.1382970350.

The spelling of 3915461563 in words is "three billion, nine hundred fifteen million, four hundred sixty-one thousand, five hundred sixty-three".