1294709263451 has 2 divisors, whose sum is σ = 1294709263452. Its totient is φ = 1294709263450.

The previous prime is 1294709263439. The next prime is 1294709263459. The reversal of 1294709263451 is 1543629074921.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1294709263451 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1294709263393 and 1294709263402.

It is not a weakly prime, because it can be changed into another prime (1294709263459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 647354631725 + 647354631726.

It is an arithmetic number, because the mean of its divisors is an integer number (647354631726).

Almost surely, 2^{1294709263451} is an apocalyptic number.

1294709263451 is a deficient number, since it is larger than the sum of its proper divisors (1).

1294709263451 is an equidigital number, since it uses as much as digits as its factorization.

1294709263451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3265920, while the sum is 53.

The spelling of 1294709263451 in words is "one trillion, two hundred ninety-four billion, seven hundred nine million, two hundred sixty-three thousand, four hundred fifty-one".