3494148833721 has 32 divisors (see below), whose sum is σ = 5742286240768. Its totient is φ = 1840400170560.

The previous prime is 3494148833719. The next prime is 3494148833723. The reversal of 3494148833721 is 1273388414943.

It is an interprime number because it is at equal distance from previous prime (3494148833719) and next prime (3494148833723).

It is not a de Polignac number, because 3494148833721 - 2¹ = 3494148833719 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3494148833723) 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, 9072631 + ... + 9449916.

It is an arithmetic number, because the mean of its divisors is an integer number (179446445024).

Almost surely, 2^{3494148833721} is an apocalyptic number.

It is an amenable number.

3494148833721 is a deficient number, since it is larger than the sum of its proper divisors (2248137407047).

3494148833721 is a wasteful number, since it uses less digits than its factorization.

3494148833721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18523261.

The product of its digits is 13934592, while the sum is 57.

The spelling of 3494148833721 in words is "three trillion, four hundred ninety-four billion, one hundred forty-eight million, eight hundred thirty-three thousand, seven hundred twenty-one".