3512146749 has 8 divisors (see below), whose sum is σ = 4762233120. Its totient is φ = 2301745776.

The previous prime is 3512146709. The next prime is 3512146753. The reversal of 3512146749 is 9476412153.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3512146749 - 2¹⁹ = 3511622461 is a prime.

It is a super-2 number, since 2×3512146749² = 24670349573022538002, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3512146749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3512146709) 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, 9921142 + ... + 9921495.

It is an arithmetic number, because the mean of its divisors is an integer number (595279140).

Almost surely, 2^3512146749 is an apocalyptic number.

It is an amenable number.

3512146749 is a deficient number, since it is larger than the sum of its proper divisors (1250086371).

3512146749 is a wasteful number, since it uses less digits than its factorization.

3512146749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19842699.

The product of its digits is 181440, while the sum is 42.

The square root of 3512146749 is about 59263.3676818994. The cubic root of 3512146749 is about 1520.0488714954.

The spelling of 3512146749 in words is "three billion, five hundred twelve million, one hundred forty-six thousand, seven hundred forty-nine".