1038946453 has 2 divisors, whose sum is σ = 1038946454. Its totient is φ = 1038946452.

The previous prime is 1038946417. The next prime is 1038946511. The reversal of 1038946453 is 3546498301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 963916209 + 75030244 = 31047^2 + 8662^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1038946453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1038946553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 519473226 + 519473227.

It is an arithmetic number, because the mean of its divisors is an integer number (519473227).

Almost surely, 2^1038946453 is an apocalyptic number.

It is an amenable number.

1038946453 is a deficient number, since it is larger than the sum of its proper divisors (1).

1038946453 is an equidigital number, since it uses as much as digits as its factorization.

1038946453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040, while the sum is 43.

The square root of 1038946453 is about 32232.6923014507. The cubic root of 1038946453 is about 1012.8171693036.

The spelling of 1038946453 in words is "one billion, thirty-eight million, nine hundred forty-six thousand, four hundred fifty-three".