7142896438 has 4 divisors (see below), whose sum is σ = 10714344660. Its totient is φ = 3571448218.

The previous prime is 7142896429. The next prime is 7142896459. The reversal of 7142896438 is 8346982417.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1785724108 + ... + 1785724111.

It is an arithmetic number, because the mean of its divisors is an integer number (2678586165).

Almost surely, 2^7142896438 is an apocalyptic number.

7142896438 is a deficient number, since it is larger than the sum of its proper divisors (3571448222).

7142896438 is a wasteful number, since it uses less digits than its factorization.

7142896438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3571448221.

The product of its digits is 2322432, while the sum is 52.

The square root of 7142896438 is about 84515.6579457322. The cubic root of 7142896438 is about 1925.8603171325.

The spelling of 7142896438 in words is "seven billion, one hundred forty-two million, eight hundred ninety-six thousand, four hundred thirty-eight".