35268721949 has 2 divisors, whose sum is σ = 35268721950. Its totient is φ = 35268721948.

The previous prime is 35268721919. The next prime is 35268721987. The reversal of 35268721949 is 94912786253.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18357540100 + 16911181849 = 135490^2 + 130043^2 .

It is a cyclic number.

It is not a de Polignac number, because 35268721949 - 2¹² = 35268717853 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 35268721894 and 35268721903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (35268721919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17634360974 + 17634360975.

It is an arithmetic number, because the mean of its divisors is an integer number (17634360975).

Almost surely, 2^35268721949 is an apocalyptic number.

It is an amenable number.

35268721949 is a deficient number, since it is larger than the sum of its proper divisors (1).

35268721949 is an equidigital number, since it uses as much as digits as its factorization.

35268721949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6531840, while the sum is 56.

The spelling of 35268721949 in words is "thirty-five billion, two hundred sixty-eight million, seven hundred twenty-one thousand, nine hundred forty-nine".