3946490517522 has 64 divisors (see below), whose sum is σ = 9529595182080. Its totient is φ = 1064366536896.

The previous prime is 3946490517517. The next prime is 3946490517533. The reversal of 3946490517522 is 2257150946493.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8705808 + ... + 9147899.

It is an arithmetic number, because the mean of its divisors is an integer number (148899924720).

Almost surely, 2^{3946490517522} is an apocalyptic number.

3946490517522 is an abundant number, since it is smaller than the sum of its proper divisors (5583104664558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3946490517522 is a wasteful number, since it uses less digits than its factorization.

3946490517522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17854015.

The product of its (nonzero) digits is 16329600, while the sum is 57.

The spelling of 3946490517522 in words is "three trillion, nine hundred forty-six billion, four hundred ninety million, five hundred seventeen thousand, five hundred twenty-two".