6387926042 has 4 divisors (see below), whose sum is σ = 9581889066. Its totient is φ = 3193963020.

The previous prime is 6387926023. The next prime is 6387926059. The reversal of 6387926042 is 2406297836.

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., 6084156001 + 303770041 = 78001^2 + 17429^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1596981509 + ... + 1596981512.

Almost surely, 2^6387926042 is an apocalyptic number.

6387926042 is a deficient number, since it is larger than the sum of its proper divisors (3193963024).

6387926042 is a wasteful number, since it uses less digits than its factorization.

6387926042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3193963023.

The product of its (nonzero) digits is 870912, while the sum is 47.

The square root of 6387926042 is about 79924.5021379552. The cubic root of 6387926042 is about 1855.4672495294.

The spelling of 6387926042 in words is "six billion, three hundred eighty-seven million, nine hundred twenty-six thousand, forty-two".