3791252520394 has 4 divisors (see below), whose sum is σ = 5686878780594. Its totient is φ = 1895626260196.

The previous prime is 3791252520379. The next prime is 3791252520401. The reversal of 3791252520394 is 4930252521973.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2592785905369 + 1198466615025 = 1610213^2 + 1094745^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 947813130097 + ... + 947813130100.

Almost surely, 2^{3791252520394} is an apocalyptic number.

3791252520394 is a deficient number, since it is larger than the sum of its proper divisors (1895626260200).

3791252520394 is a wasteful number, since it uses less digits than its factorization.

3791252520394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1895626260199.

The product of its (nonzero) digits is 4082400, while the sum is 52.

The spelling of 3791252520394 in words is "three trillion, seven hundred ninety-one billion, two hundred fifty-two million, five hundred twenty thousand, three hundred ninety-four".