3946851907450 has 12 divisors (see below), whose sum is σ = 7341144547950. Its totient is φ = 1578740762960.

The previous prime is 3946851907409. The next prime is 3946851907483. The reversal of 3946851907450 is 547091586493.

It can be written as a sum of positive squares in 3 ways, for example, as 3105359413209 + 841492494241 = 1762203^2 + 917329^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39468519025 + ... + 39468519124.

Almost surely, 2^{3946851907450} is an apocalyptic number.

3946851907450 is a deficient number, since it is larger than the sum of its proper divisors (3394292640500).

3946851907450 is a wasteful number, since it uses less digits than its factorization.

3946851907450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78937038161 (or 78937038156 counting only the distinct ones).

The product of its (nonzero) digits is 32659200, while the sum is 61.

The spelling of 3946851907450 in words is "three trillion, nine hundred forty-six billion, eight hundred fifty-one million, nine hundred seven thousand, four hundred fifty".