3490040197381 has 16 divisors (see below), whose sum is σ = 3759366094848. Its totient is φ = 3230519252400.

The previous prime is 3490040197321. The next prime is 3490040197447. The reversal of 3490040197381 is 1837910400943.

It is not a de Polignac number, because 3490040197381 - 2³⁵ = 3455680459013 is a prime.

It is a super-2 number, since 2×3490040197381² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3490040197321) 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 15 ways as a sum of consecutive naturals, for example, 44302830 + ... + 44381536.

It is an arithmetic number, because the mean of its divisors is an integer number (234960380928).

Almost surely, 2^{3490040197381} is an apocalyptic number.

3490040197381 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3490040197381 is a deficient number, since it is larger than the sum of its proper divisors (269325897467).

3490040197381 is a wasteful number, since it uses less digits than its factorization.

3490040197381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140952.

The product of its (nonzero) digits is 653184, while the sum is 49.

The spelling of 3490040197381 in words is "three trillion, four hundred ninety billion, forty million, one hundred ninety-seven thousand, three hundred eighty-one".