3973101990 has 64 divisors (see below), whose sum is σ = 11202492672. Its totient is φ = 889084800.

The previous prime is 3973101983. The next prime is 3973101991. The reversal of 3973101990 is 991013793.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3973101991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 458776 + ... + 467355.

It is an arithmetic number, because the mean of its divisors is an integer number (175038948).

Almost surely, 2^3973101990 is an apocalyptic number.

3973101990 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3973101990 is an abundant number, since it is smaller than the sum of its proper divisors (7229390682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3973101990 is a wasteful number, since it uses less digits than its factorization.

3973101990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926165.

The product of its (nonzero) digits is 45927, while the sum is 42.

The square root of 3973101990 is about 63032.5470689548. The cubic root of 3973101990 is about 1583.8348856372.

The spelling of 3973101990 in words is "three billion, nine hundred seventy-three million, one hundred one thousand, nine hundred ninety".