3798691745 has 4 divisors (see below), whose sum is σ = 4558430100. Its totient is φ = 3038953392.

The previous prime is 3798691739. The next prime is 3798691783. The reversal of 3798691745 is 5471968973.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5471968973 = 19 ⋅287998367.

It can be written as a sum of positive squares in 2 ways, for example, as 930982144 + 2867709601 = 30512^2 + 53551^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3798691745 is a prime.

It is a super-2 number, since 2×3798691745² = 28860117947062290050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 379869170 + ... + 379869179.

It is an arithmetic number, because the mean of its divisors is an integer number (1139607525).

Almost surely, 2^3798691745 is an apocalyptic number.

It is an amenable number.

3798691745 is a deficient number, since it is larger than the sum of its proper divisors (759738355).

3798691745 is an equidigital number, since it uses as much as digits as its factorization.

3798691745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759738354.

The product of its digits is 11430720, while the sum is 59.

The square root of 3798691745 is about 61633.5277669549. The cubic root of 3798691745 is about 1560.3116494662.

The spelling of 3798691745 in words is "three billion, seven hundred ninety-eight million, six hundred ninety-one thousand, seven hundred forty-five".