1550109097 has 8 divisors (see below), whose sum is σ = 1554789600. Its totient is φ = 1545436704.

The previous prime is 1550109049. The next prime is 1550109103. The reversal of 1550109097 is 7909010551.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1550109097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1550109047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 661554 + ... + 663892.

It is an arithmetic number, because the mean of its divisors is an integer number (194348700).

Almost surely, 2^1550109097 is an apocalyptic number.

It is an amenable number.

1550109097 is a deficient number, since it is larger than the sum of its proper divisors (4680503).

1550109097 is a wasteful number, since it uses less digits than its factorization.

1550109097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4055.

The product of its (nonzero) digits is 14175, while the sum is 37.

The square root of 1550109097 is about 39371.4248789652. The cubic root of 1550109097 is about 1157.3216787466.

The spelling of 1550109097 in words is "one billion, five hundred fifty million, one hundred nine thousand, ninety-seven".