2043796157 has 4 divisors (see below), whose sum is σ = 2201011260. Its totient is φ = 1886581056.

The previous prime is 2043796147. The next prime is 2043796177. The reversal of 2043796157 is 7516973402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 598731961 + 1445064196 = 24469^2 + 38014^2 .

It is a cyclic number.

It is not a de Polignac number, because 2043796157 - 2³⁰ = 970054333 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 (2043796147) 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, 78607532 + ... + 78607557.

It is an arithmetic number, because the mean of its divisors is an integer number (550252815).

Almost surely, 2^2043796157 is an apocalyptic number.

It is an amenable number.

2043796157 is a deficient number, since it is larger than the sum of its proper divisors (157215103).

2043796157 is a wasteful number, since it uses less digits than its factorization.

2043796157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157215102.

The product of its (nonzero) digits is 317520, while the sum is 44.

The square root of 2043796157 is about 45208.3637947670. The cubic root of 2043796157 is about 1269.0513421037.

The spelling of 2043796157 in words is "two billion, forty-three million, seven hundred ninety-six thousand, one hundred fifty-seven".