1098967651 has 2 divisors, whose sum is σ = 1098967652. Its totient is φ = 1098967650.

The previous prime is 1098967637. The next prime is 1098967687. The reversal of 1098967651 is 1567698901.

It is a weak prime.

It is an emirp because it is prime and its reverse (1567698901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1098967651 - 2¹⁷ = 1098836579 is a prime.

It is not a weakly prime, because it can be changed into another prime (1098967621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549483825 + 549483826.

It is an arithmetic number, because the mean of its divisors is an integer number (549483826).

Almost surely, 2^1098967651 is an apocalyptic number.

1098967651 is a deficient number, since it is larger than the sum of its proper divisors (1).

1098967651 is an equidigital number, since it uses as much as digits as its factorization.

1098967651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 816480, while the sum is 52.

The square root of 1098967651 is about 33150.6810035631. The cubic root of 1098967651 is about 1031.9570830634.

The spelling of 1098967651 in words is "one billion, ninety-eight million, nine hundred sixty-seven thousand, six hundred fifty-one".