1098532819 has 2 divisors, whose sum is σ = 1098532820. Its totient is φ = 1098532818.

The previous prime is 1098532807. The next prime is 1098532867. The reversal of 1098532819 is 9182358901.

It is a weak prime.

It is an emirp because it is prime and its reverse (9182358901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1098532819 - 2²¹ = 1096435667 is a prime.

It is a super-2 number, since 2×1098532819² = 2413548708840173522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1098532619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549266409 + 549266410.

It is an arithmetic number, because the mean of its divisors is an integer number (549266410).

Almost surely, 2^1098532819 is an apocalyptic number.

1098532819 is a deficient number, since it is larger than the sum of its proper divisors (1).

1098532819 is an equidigital number, since it uses as much as digits as its factorization.

1098532819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 46.

The square root of 1098532819 is about 33144.1219373813. The cubic root of 1098532819 is about 1031.8209592027.

The spelling of 1098532819 in words is "one billion, ninety-eight million, five hundred thirty-two thousand, eight hundred nineteen".