2134923973 has 24 divisors (see below), whose sum is σ = 2690118648. Its totient is φ = 1679319936.

The previous prime is 2134923941. The next prime is 2134923977. The reversal of 2134923973 is 3793294312.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 221473924 + 1913450049 = 14882^2 + 43743^2 .

It is not a de Polignac number, because 2134923973 - 2⁵ = 2134923941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2134923977) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100515 + ... + 119887.

It is an arithmetic number, because the mean of its divisors is an integer number (112088277).

Almost surely, 2^2134923973 is an apocalyptic number.

It is an amenable number.

2134923973 is a deficient number, since it is larger than the sum of its proper divisors (555194675).

2134923973 is a wasteful number, since it uses less digits than its factorization.

2134923973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19573 (or 19566 counting only the distinct ones).

The product of its digits is 244944, while the sum is 43.

The square root of 2134923973 is about 46205.2375061529. The cubic root of 2134923973 is about 1287.6390470118.

The spelling of 2134923973 in words is "two billion, one hundred thirty-four million, nine hundred twenty-three thousand, nine hundred seventy-three".