1231600792459 has 2 divisors, whose sum is σ = 1231600792460. Its totient is φ = 1231600792458.

The previous prime is 1231600792381. The next prime is 1231600792481. The reversal of 1231600792459 is 9542970061321.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1231600792459 is a prime.

It is not a weakly prime, because it can be changed into another prime (1231600792159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615800396229 + 615800396230.

It is an arithmetic number, because the mean of its divisors is an integer number (615800396230).

Almost surely, 2^{1231600792459} is an apocalyptic number.

1231600792459 is a deficient number, since it is larger than the sum of its proper divisors (1).

1231600792459 is an equidigital number, since it uses as much as digits as its factorization.

1231600792459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 816480, while the sum is 49.

The spelling of 1231600792459 in words is "one trillion, two hundred thirty-one billion, six hundred million, seven hundred ninety-two thousand, four hundred fifty-nine".