1461868259 has 2 divisors, whose sum is σ = 1461868260. Its totient is φ = 1461868258.

The previous prime is 1461868237. The next prime is 1461868273. The reversal of 1461868259 is 9528681641.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1461868259 - 2²⁸ = 1193432803 is a prime.

It is not a weakly prime, because it can be changed into another prime (1461868229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 730934129 + 730934130.

It is an arithmetic number, because the mean of its divisors is an integer number (730934130).

Almost surely, 2^1461868259 is an apocalyptic number.

1461868259 is a deficient number, since it is larger than the sum of its proper divisors (1).

1461868259 is an equidigital number, since it uses as much as digits as its factorization.

1461868259 is an evil number, because the sum of its binary digits is even.

The product of its digits is 829440, while the sum is 50.

The square root of 1461868259 is about 38234.3858195735. The cubic root of 1461868259 is about 1134.9308784651.

The spelling of 1461868259 in words is "one billion, four hundred sixty-one million, eight hundred sixty-eight thousand, two hundred fifty-nine".