3903551942 has 4 divisors (see below), whose sum is σ = 5855327916. Its totient is φ = 1951775970.

The previous prime is 3903551921. The next prime is 3903551947. The reversal of 3903551942 is 2491553093.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2491553093 = 173 ⋅14402041.

It is a self number, because there is not a number n which added to its sum of digits gives 3903551942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3903551947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 975887984 + ... + 975887987.

It is an arithmetic number, because the mean of its divisors is an integer number (1463831979).

Almost surely, 2^3903551942 is an apocalyptic number.

3903551942 is a deficient number, since it is larger than the sum of its proper divisors (1951775974).

3903551942 is a wasteful number, since it uses less digits than its factorization.

3903551942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1951775973.

The product of its (nonzero) digits is 145800, while the sum is 41.

The square root of 3903551942 is about 62478.4118075996. The cubic root of 3903551942 is about 1574.5386325805.

The spelling of 3903551942 in words is "three billion, nine hundred three million, five hundred fifty-one thousand, nine hundred forty-two".