1354740649 has 2 divisors, whose sum is σ = 1354740650. Its totient is φ = 1354740648.

The previous prime is 1354740637. The next prime is 1354740661. The reversal of 1354740649 is 9460474531.

It is a balanced prime because it is at equal distance from previous prime (1354740637) and next prime (1354740661).

It can be written as a sum of positive squares in only one way, i.e., 1353872025 + 868624 = 36795^2 + 932^2 .

It is a cyclic number.

It is not a de Polignac number, because 1354740649 - 2¹⁵ = 1354707881 is a prime.

It is not a weakly prime, because it can be changed into another prime (1354740619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 677370324 + 677370325.

It is an arithmetic number, because the mean of its divisors is an integer number (677370325).

Almost surely, 2^1354740649 is an apocalyptic number.

It is an amenable number.

1354740649 is a deficient number, since it is larger than the sum of its proper divisors (1).

1354740649 is an equidigital number, since it uses as much as digits as its factorization.

1354740649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 43.

The square root of 1354740649 is about 36806.8016676266. The cubic root of 1354740649 is about 1106.5016197449.

The spelling of 1354740649 in words is "one billion, three hundred fifty-four million, seven hundred forty thousand, six hundred forty-nine".