1952408945617 has 16 divisors (see below), whose sum is σ = 2173722003712. Its totient is φ = 1741902148800.

The previous prime is 1952408945587. The next prime is 1952408945681. The reversal of 1952408945617 is 7165498042591.

It is a cyclic number.

It is not a de Polignac number, because 1952408945617 - 2⁷ = 1952408945489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1952408945717) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13367973 + ... + 13513234.

It is an arithmetic number, because the mean of its divisors is an integer number (135857625232).

Almost surely, 2^{1952408945617} is an apocalyptic number.

It is an amenable number.

1952408945617 is a deficient number, since it is larger than the sum of its proper divisors (221313058095).

1952408945617 is a wasteful number, since it uses less digits than its factorization.

1952408945617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26881408.

The product of its (nonzero) digits is 21772800, while the sum is 61.

The spelling of 1952408945617 in words is "one trillion, nine hundred fifty-two billion, four hundred eight million, nine hundred forty-five thousand, six hundred seventeen".