3837494042 has 4 divisors (see below), whose sum is σ = 5756241066. Its totient is φ = 1918747020.

The previous prime is 3837494039. The next prime is 3837494047. The reversal of 3837494042 is 2404947383.

3837494042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2404947383 = 433 ⋅5554151.

It can be written as a sum of positive squares in only one way, i.e., 3679514281 + 157979761 = 60659^2 + 12569^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3837493984 and 3837494002.

It is not an unprimeable number, because it can be changed into a prime (3837494047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 959373509 + ... + 959373512.

Almost surely, 2^3837494042 is an apocalyptic number.

3837494042 is a deficient number, since it is larger than the sum of its proper divisors (1918747024).

3837494042 is a wasteful number, since it uses less digits than its factorization.

3837494042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1918747023.

The product of its (nonzero) digits is 580608, while the sum is 44.

The square root of 3837494042 is about 61947.5103777383. The cubic root of 3837494042 is about 1565.6063401917.

The spelling of 3837494042 in words is "three billion, eight hundred thirty-seven million, four hundred ninety-four thousand, forty-two".