7101621849 has 32 divisors (see below), whose sum is σ = 11668930560. Its totient is φ = 3750710400.

The previous prime is 7101621823. The next prime is 7101621883. The reversal of 7101621849 is 9481261017.

It is not a de Polignac number, because 7101621849 - 2⁵ = 7101621817 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (7101621809) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 200697 + ... + 233414.

It is an arithmetic number, because the mean of its divisors is an integer number (364654080).

Almost surely, 2^7101621849 is an apocalyptic number.

It is an amenable number.

7101621849 is a deficient number, since it is larger than the sum of its proper divisors (4567308711).

7101621849 is a wasteful number, since it uses less digits than its factorization.

7101621849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434181.

The product of its (nonzero) digits is 24192, while the sum is 39.

The square root of 7101621849 is about 84271.1210854585. The cubic root of 7101621849 is about 1922.1436785562.

The spelling of 7101621849 in words is "seven billion, one hundred one million, six hundred twenty-one thousand, eight hundred forty-nine".