3901901902 has 32 divisors (see below), whose sum is σ = 6203819520. Its totient is φ = 1835447040.

The previous prime is 3901901881. The next prime is 3901901909. The reversal of 3901901902 is 2091091093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3901901909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5797438 + ... + 5798110.

It is an arithmetic number, because the mean of its divisors is an integer number (193869360).

Almost surely, 2^3901901902 is an apocalyptic number.

3901901902 is a deficient number, since it is larger than the sum of its proper divisors (2301917618).

3901901902 is a wasteful number, since it uses less digits than its factorization.

3901901902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1528.

The product of its (nonzero) digits is 4374, while the sum is 34.

The square root of 3901901902 is about 62465.2055307593. The cubic root of 3901901902 is about 1574.3167476650.

Adding to 3901901902 its reverse (2091091093), we get a palindrome (5992992995).

The spelling of 3901901902 in words is "three billion, nine hundred one million, nine hundred one thousand, nine hundred two".