8561461458 has 32 divisors (see below), whose sum is σ = 18699413760. Its totient is φ = 2591623760.

The previous prime is 8561461457. The next prime is 8561461459. The reversal of 8561461458 is 8541641658.

It is an interprime number because it is at equal distance from previous prime (8561461457) and next prime (8561461459).

It is not an unprimeable number, because it can be changed into a prime (8561461457) 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, 5988 + ... + 130991.

It is an arithmetic number, because the mean of its divisors is an integer number (584356680).

Almost surely, 2^8561461458 is an apocalyptic number.

8561461458 is an abundant number, since it is smaller than the sum of its proper divisors (10137952302).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8561461458 is a wasteful number, since it uses less digits than its factorization.

8561461458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137942.

The product of its digits is 921600, while the sum is 48.

The square root of 8561461458 is about 92528.1657550824. The cubic root of 8561461458 is about 2045.7346537817.

The spelling of 8561461458 in words is "eight billion, five hundred sixty-one million, four hundred sixty-one thousand, four hundred fifty-eight".