1363506149 has 2 divisors, whose sum is σ = 1363506150. Its totient is φ = 1363506148.

The previous prime is 1363506121. The next prime is 1363506167. The reversal of 1363506149 is 9416053631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 790621924 + 572884225 = 28118^2 + 23935^2 .

It is an emirp because it is prime and its reverse (9416053631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1363506149 - 2¹² = 1363502053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1363503149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 681753074 + 681753075.

It is an arithmetic number, because the mean of its divisors is an integer number (681753075).

Almost surely, 2^1363506149 is an apocalyptic number.

It is an amenable number.

1363506149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1363506149 is an equidigital number, since it uses as much as digits as its factorization.

1363506149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 1363506149 is about 36925.6841371964. The cubic root of 1363506149 is about 1108.8829356684.

The spelling of 1363506149 in words is "one billion, three hundred sixty-three million, five hundred six thousand, one hundred forty-nine".