2357142938 has 4 divisors (see below), whose sum is σ = 3535714410. Its totient is φ = 1178571468.

The previous prime is 2357142937. The next prime is 2357142947. The reversal of 2357142938 is 8392417532.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 2337045649 + 20097289 = 48343^2 + 4483^2 .

It is a super-2 number, since 2×2357142938² = 11112245660326543688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2357142937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 589285733 + ... + 589285736.

Almost surely, 2^2357142938 is an apocalyptic number.

2357142938 is a deficient number, since it is larger than the sum of its proper divisors (1178571472).

2357142938 is a wasteful number, since it uses less digits than its factorization.

2357142938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1178571471.

The product of its digits is 362880, while the sum is 44.

The square root of 2357142938 is about 48550.4164554744. The cubic root of 2357142938 is about 1330.8485620742.

The spelling of 2357142938 in words is "two billion, three hundred fifty-seven million, one hundred forty-two thousand, nine hundred thirty-eight".