8431464761 has 2 divisors, whose sum is σ = 8431464762. Its totient is φ = 8431464760.

The previous prime is 8431464739. The next prime is 8431464787. The reversal of 8431464761 is 1674641348.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5095247161 + 3336217600 = 71381^2 + 57760^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8431464761 is a prime.

It is not a weakly prime, because it can be changed into another prime (8431464791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4215732380 + 4215732381.

It is an arithmetic number, because the mean of its divisors is an integer number (4215732381).

Almost surely, 2^8431464761 is an apocalyptic number.

It is an amenable number.

8431464761 is a deficient number, since it is larger than the sum of its proper divisors (1).

8431464761 is an equidigital number, since it uses as much as digits as its factorization.

8431464761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 387072, while the sum is 44.

The square root of 8431464761 is about 91823.0077976103. The cubic root of 8431464761 is about 2035.3276993617.

The spelling of 8431464761 in words is "eight billion, four hundred thirty-one million, four hundred sixty-four thousand, seven hundred sixty-one".