378451906498 has 8 divisors (see below), whose sum is σ = 574863655680. Its totient is φ = 186830687940.

The previous prime is 378451906493. The next prime is 378451906517. The reversal of 378451906498 is 894609154873.

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

It is not an unprimeable number, because it can be changed into a prime (378451906493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1197632458 + ... + 1197632773.

It is an arithmetic number, because the mean of its divisors is an integer number (71857956960).

Almost surely, 2^378451906498 is an apocalyptic number.

378451906498 is a deficient number, since it is larger than the sum of its proper divisors (196411749182).

378451906498 is a wasteful number, since it uses less digits than its factorization.

378451906498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2395265312.

The product of its (nonzero) digits is 52254720, while the sum is 64.

The spelling of 378451906498 in words is "three hundred seventy-eight billion, four hundred fifty-one million, nine hundred six thousand, four hundred ninety-eight".