374619891845 has 16 divisors (see below), whose sum is σ = 465650262000. Its totient is φ = 288985202688.

The previous prime is 374619891839. The next prime is 374619891869. The reversal of 374619891845 is 548198916473.

It is a Cunningham number, because it is equal to 612062²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 1 + 374619891844 = 1^2 + 612062^2 .

It is a cyclic number.

It is not a de Polignac number, because 374619891845 - 2⁴ = 374619891829 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1568330 + ... + 1791339.

It is an arithmetic number, because the mean of its divisors is an integer number (29103141375).

Almost surely, 2^374619891845 is an apocalyptic number.

It is an amenable number.

374619891845 is a deficient number, since it is larger than the sum of its proper divisors (91030370155).

374619891845 is a wasteful number, since it uses less digits than its factorization.

374619891845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3360472.

The product of its digits is 52254720, while the sum is 65.

The spelling of 374619891845 in words is "three hundred seventy-four billion, six hundred nineteen million, eight hundred ninety-one thousand, eight hundred forty-five".