1554214349 has 2 divisors, whose sum is σ = 1554214350. Its totient is φ = 1554214348.

The previous prime is 1554214331. The next prime is 1554214369. The reversal of 1554214349 is 9434124551.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1478402500 + 75811849 = 38450^2 + 8707^2 .

It is a cyclic number.

It is not a de Polignac number, because 1554214349 - 2²⁴ = 1537437133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1554214309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 777107174 + 777107175.

It is an arithmetic number, because the mean of its divisors is an integer number (777107175).

Almost surely, 2^1554214349 is an apocalyptic number.

It is an amenable number.

1554214349 is a deficient number, since it is larger than the sum of its proper divisors (1).

1554214349 is an equidigital number, since it uses as much as digits as its factorization.

1554214349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86400, while the sum is 38.

The square root of 1554214349 is about 39423.5253243542. The cubic root of 1554214349 is about 1158.3424475633.

The spelling of 1554214349 in words is "one billion, five hundred fifty-four million, two hundred fourteen thousand, three hundred forty-nine".