2154476101 has 4 divisors (see below), whose sum is σ = 2267869600. Its totient is φ = 2041082604.

The previous prime is 2154476081. The next prime is 2154476131. The reversal of 2154476101 is 1016744512.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2154476101 - 2²⁵ = 2120921669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2154476131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56696721 + ... + 56696758.

It is an arithmetic number, because the mean of its divisors is an integer number (566967400).

Almost surely, 2^2154476101 is an apocalyptic number.

It is an amenable number.

2154476101 is a deficient number, since it is larger than the sum of its proper divisors (113393499).

2154476101 is a wasteful number, since it uses less digits than its factorization.

2154476101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113393498.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 2154476101 is about 46416.3344201155. The cubic root of 2154476101 is about 1291.5579400363.

The spelling of 2154476101 in words is "two billion, one hundred fifty-four million, four hundred seventy-six thousand, one hundred one".