3549023957 has 2 divisors, whose sum is σ = 3549023958. Its totient is φ = 3549023956.

The previous prime is 3549023953. The next prime is 3549023971. The reversal of 3549023957 is 7593209453.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3540964036 + 8059921 = 59506^2 + 2839^2 .

It is an emirp because it is prime and its reverse (7593209453) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3549023957 - 2² = 3549023953 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3549023953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1774511978 + 1774511979.

It is an arithmetic number, because the mean of its divisors is an integer number (1774511979).

Almost surely, 2^3549023957 is an apocalyptic number.

It is an amenable number.

3549023957 is a deficient number, since it is larger than the sum of its proper divisors (1).

3549023957 is an equidigital number, since it uses as much as digits as its factorization.

3549023957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1020600, while the sum is 47.

The square root of 3549023957 is about 59573.6851050865. The cubic root of 3549023957 is about 1525.3504821248.

The spelling of 3549023957 in words is "three billion, five hundred forty-nine million, twenty-three thousand, nine hundred fifty-seven".