3146626993 has 4 divisors (see below), whose sum is σ = 3312238960. Its totient is φ = 2981015028.

The previous prime is 3146626981. The next prime is 3146627009. The reversal of 3146626993 is 3996266413.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3996266413 = 167 ⋅23929739.

It is a cyclic number.

It is not a de Polignac number, because 3146626993 - 2¹⁷ = 3146495921 is a prime.

It is a super-2 number, since 2×3146626993² = 19802522866152444098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3146626963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82805955 + ... + 82805992.

It is an arithmetic number, because the mean of its divisors is an integer number (828059740).

Almost surely, 2^3146626993 is an apocalyptic number.

It is an amenable number.

3146626993 is a deficient number, since it is larger than the sum of its proper divisors (165611967).

3146626993 is a wasteful number, since it uses less digits than its factorization.

3146626993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165611966.

The product of its digits is 1259712, while the sum is 49.

The square root of 3146626993 is about 56094.8036185171. The cubic root of 3146626993 is about 1465.3737964506.

The spelling of 3146626993 in words is "three billion, one hundred forty-six million, six hundred twenty-six thousand, nine hundred ninety-three".