3493121619 has 16 divisors (see below), whose sum is σ = 5233842432. Its totient is φ = 2056151328.

The previous prime is 3493121617. The next prime is 3493121657. The reversal of 3493121619 is 9161213943.

It is a happy number.

It is not a de Polignac number, because 3493121619 - 2¹ = 3493121617 is a prime.

It is a super-2 number, since 2×3493121619² = 24403797290250362322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (3493121617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1946217 + ... + 1948010.

It is an arithmetic number, because the mean of its divisors is an integer number (327115152).

Almost surely, 2^3493121619 is an apocalyptic number.

3493121619 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

3493121619 is a deficient number, since it is larger than the sum of its proper divisors (1740720813).

3493121619 is a wasteful number, since it uses less digits than its factorization.

3493121619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3894266.

The product of its digits is 34992, while the sum is 39.

The square root of 3493121619 is about 59102.6363117585. The cubic root of 3493121619 is about 1517.2992233919.

The spelling of 3493121619 in words is "three billion, four hundred ninety-three million, one hundred twenty-one thousand, six hundred nineteen".