157863933433 has 4 divisors (see below), whose sum is σ = 157906707088. Its totient is φ = 157821159780.

The previous prime is 157863933391. The next prime is 157863933457. The reversal of 157863933433 is 334339368751.

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 157863933433 - 2⁹ = 157863932921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157863933473) 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, 21381291 + ... + 21388672.

It is an arithmetic number, because the mean of its divisors is an integer number (39476676772).

Almost surely, 2^157863933433 is an apocalyptic number.

It is an amenable number.

157863933433 is a deficient number, since it is larger than the sum of its proper divisors (42773655).

157863933433 is an equidigital number, since it uses as much as digits as its factorization.

157863933433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42773654.

The product of its digits is 14696640, while the sum is 55.

The spelling of 157863933433 in words is "one hundred fifty-seven billion, eight hundred sixty-three million, nine hundred thirty-three thousand, four hundred thirty-three".