1542913349 has 2 divisors, whose sum is σ = 1542913350. Its totient is φ = 1542913348.

The previous prime is 1542913343. The next prime is 1542913363. The reversal of 1542913349 is 9433192451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1014741025 + 528172324 = 31855^2 + 22982^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1542913349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1542913343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 771456674 + 771456675.

It is an arithmetic number, because the mean of its divisors is an integer number (771456675).

Almost surely, 2^1542913349 is an apocalyptic number.

It is an amenable number.

1542913349 is a deficient number, since it is larger than the sum of its proper divisors (1).

1542913349 is an equidigital number, since it uses as much as digits as its factorization.

1542913349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116640, while the sum is 41.

The square root of 1542913349 is about 39279.9357051409. The cubic root of 1542913349 is about 1155.5281029190.

The spelling of 1542913349 in words is "one billion, five hundred forty-two million, nine hundred thirteen thousand, three hundred forty-nine".