1381945012498 has 16 divisors (see below), whose sum is σ = 2112604824960. Its totient is φ = 677793994416.

The previous prime is 1381945012489. The next prime is 1381945012517. The reversal of 1381945012498 is 8942105491831.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12592665 + ... + 12701932.

It is an arithmetic number, because the mean of its divisors is an integer number (132037801560).

Almost surely, 2^{1381945012498} is an apocalyptic number.

1381945012498 is a deficient number, since it is larger than the sum of its proper divisors (730659812462).

1381945012498 is a wasteful number, since it uses less digits than its factorization.

1381945012498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25295121.

The product of its (nonzero) digits is 2488320, while the sum is 55.

The spelling of 1381945012498 in words is "one trillion, three hundred eighty-one billion, nine hundred forty-five million, twelve thousand, four hundred ninety-eight".