1498642899 has 8 divisors (see below), whose sum is σ = 2151897552. Its totient is φ = 922241760.

The previous prime is 1498642897. The next prime is 1498642907. The reversal of 1498642899 is 9982468941.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1498642899 - 2¹ = 1498642897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1498642891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19213332 + ... + 19213409.

It is an arithmetic number, because the mean of its divisors is an integer number (268987194).

Almost surely, 2^1498642899 is an apocalyptic number.

1498642899 is a deficient number, since it is larger than the sum of its proper divisors (653254653).

1498642899 is a wasteful number, since it uses less digits than its factorization.

1498642899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38426757.

The product of its digits is 8957952, while the sum is 60.

The square root of 1498642899 is about 38712.3093989496. The cubic root of 1498642899 is about 1144.3689177582.

The spelling of 1498642899 in words is "one billion, four hundred ninety-eight million, six hundred forty-two thousand, eight hundred ninety-nine".