3940319053889 has 8 divisors (see below), whose sum is σ = 3954835322592. Its totient is φ = 3925806960960.

The previous prime is 3940319053871. The next prime is 3940319053907. The reversal of 3940319053889 is 9883509130493.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3940319053871) and next prime (3940319053907).

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 3940319053889 - 2⁸ = 3940319053633 is a prime.

It is a super-2 number, since 2×3940319053889² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3940319053789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 853097 + ... + 2934009.

It is an arithmetic number, because the mean of its divisors is an integer number (494354415324).

Almost surely, 2^{3940319053889} is an apocalyptic number.

It is an amenable number.

3940319053889 is a deficient number, since it is larger than the sum of its proper divisors (14516268703).

3940319053889 is a wasteful number, since it uses less digits than its factorization.

3940319053889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2087887.

The product of its (nonzero) digits is 25194240, while the sum is 62.

The spelling of 3940319053889 in words is "three trillion, nine hundred forty billion, three hundred nineteen million, fifty-three thousand, eight hundred eighty-nine".