3947154514 has 4 divisors (see below), whose sum is σ = 5920731774. Its totient is φ = 1973577256.

The previous prime is 3947154493. The next prime is 3947154521. The reversal of 3947154514 is 4154517493.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4154517493 = 7 ⋅593502499.

It can be written as a sum of positive squares in only one way, i.e., 3946980625 + 173889 = 62825^2 + 417^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 986788627 + ... + 986788630.

Almost surely, 2^3947154514 is an apocalyptic number.

3947154514 is a deficient number, since it is larger than the sum of its proper divisors (1973577260).

3947154514 is a wasteful number, since it uses less digits than its factorization.

3947154514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1973577259.

The product of its digits is 302400, while the sum is 43.

The square root of 3947154514 is about 62826.3839003965. The cubic root of 3947154514 is about 1580.3794572776.

The spelling of 3947154514 in words is "three billion, nine hundred forty-seven million, one hundred fifty-four thousand, five hundred fourteen".