42851038703738 has 16 divisors (see below), whose sum is σ = 68731369015464. Its totient is φ = 19965539289600.

The previous prime is 42851038703729. The next prime is 42851038703741. The reversal of 42851038703738 is 83730783015824.

It can be written as a sum of positive squares in 4 ways, for example, as 42780926548369 + 70112155369 = 6540713^2 + 264787^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6239227595 + ... + 6239234462.

Almost surely, 2^{42851038703738} is an apocalyptic number.

42851038703738 is a deficient number, since it is larger than the sum of its proper divisors (25880330311726).

42851038703738 is a wasteful number, since it uses less digits than its factorization.

42851038703738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12478462177.

The product of its (nonzero) digits is 27095040, while the sum is 59.

The spelling of 42851038703738 in words is "forty-two trillion, eight hundred fifty-one billion, thirty-eight million, seven hundred three thousand, seven hundred thirty-eight".