3547142399 has 2 divisors, whose sum is σ = 3547142400. Its totient is φ = 3547142398.

The previous prime is 3547142351. The next prime is 3547142449. The reversal of 3547142399 is 9932417453.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3547142399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3547142329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1773571199 + 1773571200.

It is an arithmetic number, because the mean of its divisors is an integer number (1773571200).

Almost surely, 2^3547142399 is an apocalyptic number.

3547142399 is a deficient number, since it is larger than the sum of its proper divisors (1).

3547142399 is an equidigital number, since it uses as much as digits as its factorization.

3547142399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 816480, while the sum is 47.

The square root of 3547142399 is about 59557.8911564202. The cubic root of 3547142399 is about 1525.0808734679.

The spelling of 3547142399 in words is "three billion, five hundred forty-seven million, one hundred forty-two thousand, three hundred ninety-nine".