2158835463 has 8 divisors (see below), whose sum is σ = 3198274800. Its totient is φ = 1439223624.

The previous prime is 2158835447. The next prime is 2158835467. The reversal of 2158835463 is 3645388512.

2158835463 is a `hidden beast` number, since 2 + 1 + 588 + 3 + 5 + 4 + 63 = 666.

It is not a de Polignac number, because 2158835463 - 2⁴ = 2158835447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2158835467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39978408 + ... + 39978461.

It is an arithmetic number, because the mean of its divisors is an integer number (399784350).

Almost surely, 2^2158835463 is an apocalyptic number.

2158835463 is a deficient number, since it is larger than the sum of its proper divisors (1039439337).

2158835463 is an equidigital number, since it uses as much as digits as its factorization.

2158835463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79956878 (or 79956872 counting only the distinct ones).

The product of its digits is 691200, while the sum is 45.

The square root of 2158835463 is about 46463.2700420450. The cubic root of 2158835463 is about 1292.4284649516.

The spelling of 2158835463 in words is "two billion, one hundred fifty-eight million, eight hundred thirty-five thousand, four hundred sixty-three".