4202713531949 has 2 divisors, whose sum is σ = 4202713531950. Its totient is φ = 4202713531948.

The previous prime is 4202713531909. The next prime is 4202713531979. The reversal of 4202713531949 is 9491353172024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3321542700100 + 881170831849 = 1822510^2 + 938707^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4202713531949 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4202713531897 and 4202713531906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4202713531909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2101356765974 + 2101356765975.

It is an arithmetic number, because the mean of its divisors is an integer number (2101356765975).

Almost surely, 2^{4202713531949} is an apocalyptic number.

It is an amenable number.

4202713531949 is a deficient number, since it is larger than the sum of its proper divisors (1).

4202713531949 is an equidigital number, since it uses as much as digits as its factorization.

4202713531949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1632960, while the sum is 50.

The spelling of 4202713531949 in words is "four trillion, two hundred two billion, seven hundred thirteen million, five hundred thirty-one thousand, nine hundred forty-nine".