3902197911649 has 8 divisors (see below), whose sum is σ = 4047644603552. Its totient is φ = 3759237488160.

The previous prime is 3902197911613. The next prime is 3902197911653. The reversal of 3902197911649 is 9461197912093.

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

It is a cyclic number.

It is not a de Polignac number, because 3902197911649 - 2¹⁵ = 3902197878881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3902197911449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 621563907 + ... + 621570184.

It is an arithmetic number, because the mean of its divisors is an integer number (505955575444).

Almost surely, 2^{3902197911649} is an apocalyptic number.

It is an amenable number.

3902197911649 is a deficient number, since it is larger than the sum of its proper divisors (145446691903).

3902197911649 is a wasteful number, since it uses less digits than its factorization.

3902197911649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243134207.

The product of its (nonzero) digits is 6613488, while the sum is 61.

The spelling of 3902197911649 in words is "three trillion, nine hundred two billion, one hundred ninety-seven million, nine hundred eleven thousand, six hundred forty-nine".