1369444454 has 24 divisors (see below), whose sum is σ = 2399104008. Its totient is φ = 584556000.

The previous prime is 1369444411. The next prime is 1369444471. The reversal of 1369444454 is 4544449631.

It is a super-2 number, since 2×1369444454² = 3750756225182716232, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3239 + ... + 52434.

It is an arithmetic number, because the mean of its divisors is an integer number (99962667).

Almost surely, 2^1369444454 is an apocalyptic number.

1369444454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1369444454 is a deficient number, since it is larger than the sum of its proper divisors (1029659554).

1369444454 is a wasteful number, since it uses less digits than its factorization.

1369444454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55940 (or 55933 counting only the distinct ones).

The product of its digits is 829440, while the sum is 44.

The square root of 1369444454 is about 37006.0056477324. The cubic root of 1369444454 is about 1110.4903966275.

The spelling of 1369444454 in words is "one billion, three hundred sixty-nine million, four hundred forty-four thousand, four hundred fifty-four".