157639299049 has 8 divisors (see below), whose sum is σ = 162734648832. Its totient is φ = 152544587520.

The previous prime is 157639299019. The next prime is 157639299067. The reversal of 157639299049 is 940992936751.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 157639299049 - 2¹¹ = 157639297001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157639299019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 370377 + ... + 672649.

It is an arithmetic number, because the mean of its divisors is an integer number (20341831104).

Almost surely, 2^157639299049 is an apocalyptic number.

It is an amenable number.

157639299049 is a deficient number, since it is larger than the sum of its proper divisors (5095349783).

157639299049 is a wasteful number, since it uses less digits than its factorization.

157639299049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319127.

The product of its (nonzero) digits is 33067440, while the sum is 64.

The spelling of 157639299049 in words is "one hundred fifty-seven billion, six hundred thirty-nine million, two hundred ninety-nine thousand, forty-nine".