1354645822647 has 32 divisors (see below), whose sum is σ = 2061769913280. Its totient is φ = 783746334720.

The previous prime is 1354645822619. The next prime is 1354645822667. The reversal of 1354645822647 is 7462285464531.

It is a happy number.

It is not a de Polignac number, because 1354645822647 - 2²⁶ = 1354578713783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1354645822667) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 483754 + ... + 1715607.

It is an arithmetic number, because the mean of its divisors is an integer number (64430309790).

Almost surely, 2^{1354645822647} is an apocalyptic number.

1354645822647 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1354645822647 is a deficient number, since it is larger than the sum of its proper divisors (707124090633).

1354645822647 is a wasteful number, since it uses less digits than its factorization.

1354645822647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2200323.

The product of its digits is 38707200, while the sum is 57.

The spelling of 1354645822647 in words is "one trillion, three hundred fifty-four billion, six hundred forty-five million, eight hundred twenty-two thousand, six hundred forty-seven".