1374533749 has 2 divisors, whose sum is σ = 1374533750. Its totient is φ = 1374533748.

The previous prime is 1374533737. The next prime is 1374533761. The reversal of 1374533749 is 9473354731.

It is a balanced prime because it is at equal distance from previous prime (1374533737) and next prime (1374533761).

It can be written as a sum of positive squares in only one way, i.e., 1082739025 + 291794724 = 32905^2 + 17082^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1374533749 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1374533699 and 1374533708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1374543749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 687266874 + 687266875.

It is an arithmetic number, because the mean of its divisors is an integer number (687266875).

Almost surely, 2^1374533749 is an apocalyptic number.

It is an amenable number.

1374533749 is a deficient number, since it is larger than the sum of its proper divisors (1).

1374533749 is an equidigital number, since it uses as much as digits as its factorization.

1374533749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 952560, while the sum is 46.

The square root of 1374533749 is about 37074.7049752254. The cubic root of 1374533749 is about 1111.8643422339.

The spelling of 1374533749 in words is "one billion, three hundred seventy-four million, five hundred thirty-three thousand, seven hundred forty-nine".