696248868541 has 2 divisors, whose sum is σ = 696248868542. Its totient is φ = 696248868540.

The previous prime is 696248868499. The next prime is 696248868547. The reversal of 696248868541 is 145868842696.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 442211700100 + 254037168441 = 664990^2 + 504021^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-696248868541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (696248868547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 348124434270 + 348124434271.

It is an arithmetic number, because the mean of its divisors is an integer number (348124434271).

Almost surely, 2^696248868541 is an apocalyptic number.

It is an amenable number.

696248868541 is a deficient number, since it is larger than the sum of its proper divisors (1).

696248868541 is an equidigital number, since it uses as much as digits as its factorization.

696248868541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 159252480, while the sum is 67.

The spelling of 696248868541 in words is "six hundred ninety-six billion, two hundred forty-eight million, eight hundred sixty-eight thousand, five hundred forty-one".