3400402549 has 2 divisors, whose sum is σ = 3400402550. Its totient is φ = 3400402548.

The previous prime is 3400402529. The next prime is 3400402589. The reversal of 3400402549 is 9452040043.

It is a happy number.

3400402549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3049027524 + 351375025 = 55218^2 + 18745^2 .

It is a cyclic number.

It is not a de Polignac number, because 3400402549 - 2²⁵ = 3366848117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3400402549.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3400402529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1700201274 + 1700201275.

It is an arithmetic number, because the mean of its divisors is an integer number (1700201275).

Almost surely, 2^3400402549 is an apocalyptic number.

It is an amenable number.

3400402549 is a deficient number, since it is larger than the sum of its proper divisors (1).

3400402549 is an equidigital number, since it uses as much as digits as its factorization.

3400402549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 3400402549 is about 58312.9706754852. The cubic root of 3400402549 is about 1503.7539380548.

The spelling of 3400402549 in words is "three billion, four hundred million, four hundred two thousand, five hundred forty-nine".