247508699413 has 2 divisors, whose sum is σ = 247508699414. Its totient is φ = 247508699412.

The previous prime is 247508699387. The next prime is 247508699531. The reversal of 247508699413 is 314996805742.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 236972292804 + 10536406609 = 486798^2 + 102647^2 .

It is a cyclic number.

It is not a de Polignac number, because 247508699413 - 2²¹ = 247506602261 is a prime.

It is a super-2 number, since 2×247508699413² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (247508697413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123754349706 + 123754349707.

It is an arithmetic number, because the mean of its divisors is an integer number (123754349707).

It is a 2-persistent number, because it is pandigital, and so is 2⋅247508699413 = 495017398826, but 3⋅247508699413 = 742526098239 is not.

Almost surely, 2^247508699413 is an apocalyptic number.

It is an amenable number.

247508699413 is a deficient number, since it is larger than the sum of its proper divisors (1).

247508699413 is an equidigital number, since it uses as much as digits as its factorization.

247508699413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13063680, while the sum is 58.

The spelling of 247508699413 in words is "two hundred forty-seven billion, five hundred eight million, six hundred ninety-nine thousand, four hundred thirteen".