1357650009 has 6 divisors (see below), whose sum is σ = 1961050026. Its totient is φ = 905100000.

The previous prime is 1357649989. The next prime is 1357650029. The reversal of 1357650009 is 9000567531.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1357649989) and next prime (1357650029).

It can be written as a sum of positive squares in only one way, i.e., 1137038400 + 220611609 = 33720^2 + 14853^2 .

It is not a de Polignac number, because 1357650009 - 2¹¹ = 1357647961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1357650029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 75424992 + ... + 75425009.

It is an arithmetic number, because the mean of its divisors is an integer number (326841671).

Almost surely, 2^1357650009 is an apocalyptic number.

It is an amenable number.

1357650009 is a deficient number, since it is larger than the sum of its proper divisors (603400017).

1357650009 is a wasteful number, since it uses less digits than its factorization.

1357650009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150850007 (or 150850004 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 36.

The square root of 1357650009 is about 36846.3025146350. The cubic root of 1357650009 is about 1107.2931389773.

The spelling of 1357650009 in words is "one billion, three hundred fifty-seven million, six hundred fifty thousand, nine".