1374783553 has 16 divisors (see below), whose sum is σ = 1616956992. Its totient is φ = 1152360000.

The previous prime is 1374783533. The next prime is 1374783559. The reversal of 1374783553 is 3553874731.

It is not a de Polignac number, because 1374783553 - 2²⁹ = 837912641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1374783559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133903 + ... + 143803.

It is an arithmetic number, because the mean of its divisors is an integer number (101059812).

Almost surely, 2^1374783553 is an apocalyptic number.

1374783553 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1374783553 is a deficient number, since it is larger than the sum of its proper divisors (242173439).

1374783553 is a wasteful number, since it uses less digits than its factorization.

1374783553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10896.

The product of its digits is 1058400, while the sum is 46.

The square root of 1374783553 is about 37078.0737498592. The cubic root of 1374783553 is about 1111.9316938811.

The spelling of 1374783553 in words is "one billion, three hundred seventy-four million, seven hundred eighty-three thousand, five hundred fifty-three".