373668778345 has 8 divisors (see below), whose sum is σ = 448679164680. Its totient is φ = 298750602240.

The previous prime is 373668778337. The next prime is 373668778349. The reversal of 373668778345 is 543877866373.

It can be written as a sum of positive squares in 4 ways, for example, as 146258058969 + 227410719376 = 382437^2 + 476876^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 373668778345 - 2³ = 373668778337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (373668778349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23043640 + ... + 23059849.

It is an arithmetic number, because the mean of its divisors is an integer number (56084895585).

Almost surely, 2^373668778345 is an apocalyptic number.

It is an amenable number.

373668778345 is a deficient number, since it is larger than the sum of its proper divisors (75010386335).

373668778345 is a wasteful number, since it uses less digits than its factorization.

373668778345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46105115.

The product of its digits is 426746880, while the sum is 67.

The spelling of 373668778345 in words is "three hundred seventy-three billion, six hundred sixty-eight million, seven hundred seventy-eight thousand, three hundred forty-five".