1374461991403 has 2 divisors, whose sum is σ = 1374461991404. Its totient is φ = 1374461991402.

The previous prime is 1374461991401. The next prime is 1374461991421. The reversal of 1374461991403 is 3041991644731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1374461991403 - 2¹ = 1374461991401 is a prime.

Together with 1374461991401, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1374461991401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 687230995701 + 687230995702.

It is an arithmetic number, because the mean of its divisors is an integer number (687230995702).

Almost surely, 2^{1374461991403} is an apocalyptic number.

1374461991403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1374461991403 is an equidigital number, since it uses as much as digits as its factorization.

1374461991403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1959552, while the sum is 52.

The spelling of 1374461991403 in words is "one trillion, three hundred seventy-four billion, four hundred sixty-one million, nine hundred ninety-one thousand, four hundred three".