7149194617 has 8 divisors (see below), whose sum is σ = 7269267456. Its totient is φ = 7030118592.

The previous prime is 7149194609. The next prime is 7149194681. The reversal of 7149194617 is 7164919417.

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 not a de Polignac number, because 7149194617 - 2³ = 7149194609 is a prime.

It is a super-2 number, since 2×7149194617² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7149194317) 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, 234733 + ... + 263434.

It is an arithmetic number, because the mean of its divisors is an integer number (908658432).

Almost surely, 2^7149194617 is an apocalyptic number.

It is an amenable number.

7149194617 is a deficient number, since it is larger than the sum of its proper divisors (120072839).

7149194617 is a wasteful number, since it uses less digits than its factorization.

7149194617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498407.

The product of its digits is 381024, while the sum is 49.

The square root of 7149194617 is about 84552.9101628087. The cubic root of 7149194617 is about 1926.4261870080.

The spelling of 7149194617 in words is "seven billion, one hundred forty-nine million, one hundred ninety-four thousand, six hundred seventeen".