130434649 has 2 divisors, whose sum is σ = 130434650. Its totient is φ = 130434648.

The previous prime is 130434637. The next prime is 130434691. The reversal of 130434649 is 946434031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92833225 + 37601424 = 9635^2 + 6132^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130434649 is a prime.

It is not a weakly prime, because it can be changed into another prime (130431649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65217324 + 65217325.

It is an arithmetic number, because the mean of its divisors is an integer number (65217325).

Almost surely, 2^130434649 is an apocalyptic number.

It is an amenable number.

130434649 is a deficient number, since it is larger than the sum of its proper divisors (1).

130434649 is an equidigital number, since it uses as much as digits as its factorization.

130434649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 130434649 is about 11420.7989650462. The cubic root of 130434649 is about 507.1436491500.

It can be divided in two parts, 1304 and 34649, that added together give a palindrome (35953).

The spelling of 130434649 in words is "one hundred thirty million, four hundred thirty-four thousand, six hundred forty-nine".