1448737957 has 2 divisors, whose sum is σ = 1448737958. Its totient is φ = 1448737956.

The previous prime is 1448737919. The next prime is 1448737963. The reversal of 1448737957 is 7597378441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1442024676 + 6713281 = 37974^2 + 2591^2 .

It is a cyclic number.

It is not a de Polignac number, because 1448737957 - 2¹⁵ = 1448705189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1448737898 and 1448737907.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1448737907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 724368978 + 724368979.

It is an arithmetic number, because the mean of its divisors is an integer number (724368979).

Almost surely, 2^1448737957 is an apocalyptic number.

It is an amenable number.

1448737957 is a deficient number, since it is larger than the sum of its proper divisors (1).

1448737957 is an equidigital number, since it uses as much as digits as its factorization.

1448737957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5927040, while the sum is 55.

The square root of 1448737957 is about 38062.2904854661. The cubic root of 1448737957 is about 1131.5227225131.

The spelling of 1448737957 in words is "one billion, four hundred forty-eight million, seven hundred thirty-seven thousand, nine hundred fifty-seven".