3914778402484 has 12 divisors (see below), whose sum is σ = 6862038166564. Its totient is φ = 1954196069184.

The previous prime is 3914778402481. The next prime is 3914778402527. The reversal of 3914778402484 is 4842048774193.

It can be written as a sum of positive squares in 2 ways, for example, as 136116723600 + 3778661678884 = 368940^2 + 1943878^2 .

It is a hoax number, since the sum of its digits (61) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3914778402481) 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, 798280257 + ... + 798285160.

Almost surely, 2^{3914778402484} is an apocalyptic number.

It is an amenable number.

3914778402484 is a deficient number, since it is larger than the sum of its proper divisors (2947259764080).

3914778402484 is a wasteful number, since it uses less digits than its factorization.

3914778402484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1596566034 (or 1596566032 counting only the distinct ones).

The product of its (nonzero) digits is 43352064, while the sum is 61.

The spelling of 3914778402484 in words is "three trillion, nine hundred fourteen billion, seven hundred seventy-eight million, four hundred two thousand, four hundred eighty-four".