2101442397 has 8 divisors (see below), whose sum is σ = 2803014144. Its totient is φ = 1400416128.

The previous prime is 2101442383. The next prime is 2101442411. The reversal of 2101442397 is 7932441012.

It is an interprime number because it is at equal distance from previous prime (2101442383) and next prime (2101442411).

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

It is not a de Polignac number, because 2101442397 - 2⁴ = 2101442381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101442327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127293 + ... + 142850.

It is an arithmetic number, because the mean of its divisors is an integer number (350376768).

Almost surely, 2^2101442397 is an apocalyptic number.

It is an amenable number.

2101442397 is a deficient number, since it is larger than the sum of its proper divisors (701571747).

2101442397 is a wasteful number, since it uses less digits than its factorization.

2101442397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272739.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 2101442397 is about 45841.4920895906. The cubic root of 2101442397 is about 1280.8722889255.

The spelling of 2101442397 in words is "two billion, one hundred one million, four hundred forty-two thousand, three hundred ninety-seven".