4139101897 has 8 divisors (see below), whose sum is σ = 4737585600. Its totient is φ = 3542414064.

The previous prime is 4139101891. The next prime is 4139101913. The reversal of 4139101897 is 7981019314.

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

It is a de Polignac number, because none of the positive numbers 2^k-4139101897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4139101891) 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, 444022 + ... + 453247.

It is an arithmetic number, because the mean of its divisors is an integer number (592198200).

Almost surely, 2^4139101897 is an apocalyptic number.

It is an amenable number.

4139101897 is a deficient number, since it is larger than the sum of its proper divisors (598483703).

4139101897 is an equidigital number, since it uses as much as digits as its factorization.

4139101897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897935.

The product of its (nonzero) digits is 54432, while the sum is 43.

The square root of 4139101897 is about 64335.8523453292. The cubic root of 4139101897 is about 1605.5926547779.

The spelling of 4139101897 in words is "four billion, one hundred thirty-nine million, one hundred one thousand, eight hundred ninety-seven".