1453870349 has 2 divisors, whose sum is σ = 1453870350. Its totient is φ = 1453870348.

The previous prime is 1453870339. The next prime is 1453870387. The reversal of 1453870349 is 9430783541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1292402500 + 161467849 = 35950^2 + 12707^2 .

It is a cyclic number.

It is not a de Polignac number, because 1453870349 - 2¹⁶ = 1453804813 is a prime.

It is a super-2 number, since 2×1453870349² = 4227477983402763602, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1453870309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 726935174 + 726935175.

It is an arithmetic number, because the mean of its divisors is an integer number (726935175).

Almost surely, 2^1453870349 is an apocalyptic number.

It is an amenable number.

1453870349 is a deficient number, since it is larger than the sum of its proper divisors (1).

1453870349 is an equidigital number, since it uses as much as digits as its factorization.

1453870349 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 44.

The square root of 1453870349 is about 38129.6518342353. The cubic root of 1453870349 is about 1132.8573493621.

The spelling of 1453870349 in words is "one billion, four hundred fifty-three million, eight hundred seventy thousand, three hundred forty-nine".