3919757242 has 8 divisors (see below), whose sum is σ = 6069301632. Its totient is φ = 1896656700.

The previous prime is 3919757227. The next prime is 3919757249. The reversal of 3919757242 is 2427579193.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×3919757242² = 30728993672422893128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3919757249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31610884 + ... + 31611007.

It is an arithmetic number, because the mean of its divisors is an integer number (758662704).

Almost surely, 2^3919757242 is an apocalyptic number.

3919757242 is a deficient number, since it is larger than the sum of its proper divisors (2149544390).

3919757242 is a wasteful number, since it uses less digits than its factorization.

3919757242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63221924.

The product of its digits is 952560, while the sum is 49.

The square root of 3919757242 is about 62607.9646850143. The cubic root of 3919757242 is about 1576.7144836536.

The spelling of 3919757242 in words is "three billion, nine hundred nineteen million, seven hundred fifty-seven thousand, two hundred forty-two".