3945744703 has 4 divisors (see below), whose sum is σ = 3984053008. Its totient is φ = 3907436400.

The previous prime is 3945744641. The next prime is 3945744743. The reversal of 3945744703 is 3074475493.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3074475493 = 283 ⋅10863871.

It is a cyclic number.

It is not a de Polignac number, because 3945744703 - 2¹⁷ = 3945613631 is a prime.

It is a super-2 number, since 2×3945744703² = 31137802522505116418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3945744743) 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, 19153998 + ... + 19154203.

It is an arithmetic number, because the mean of its divisors is an integer number (996013252).

Almost surely, 2^3945744703 is an apocalyptic number.

3945744703 is a deficient number, since it is larger than the sum of its proper divisors (38308305).

3945744703 is a wasteful number, since it uses less digits than its factorization.

3945744703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38308304.

The product of its (nonzero) digits is 1270080, while the sum is 46.

The square root of 3945744703 is about 62815.1630022561. The cubic root of 3945744703 is about 1580.1912793846.

The spelling of 3945744703 in words is "three billion, nine hundred forty-five million, seven hundred forty-four thousand, seven hundred three".