4155191097 has 8 divisors (see below), whose sum is σ = 5540884800. Its totient is φ = 2769812400.

The previous prime is 4155191039. The next prime is 4155191099. The reversal of 4155191097 is 7901915514.

It is a happy number.

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

It is not a de Polignac number, because 4155191097 - 2⁸ = 4155190841 is a prime.

It is a super-2 number, since 2×4155191097² = 34531226105176126818, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4155191099) 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, 46029 + ... + 102122.

It is an arithmetic number, because the mean of its divisors is an integer number (692610600).

Almost surely, 2^4155191097 is an apocalyptic number.

It is an amenable number.

4155191097 is a deficient number, since it is larger than the sum of its proper divisors (1385693703).

4155191097 is a wasteful number, since it uses less digits than its factorization.

4155191097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157503.

The product of its (nonzero) digits is 56700, while the sum is 42.

The square root of 4155191097 is about 64460.7717685726. The cubic root of 4155191097 is about 1607.6703439680.

The spelling of 4155191097 in words is "four billion, one hundred fifty-five million, one hundred ninety-one thousand, ninety-seven".