149699554699 has 8 divisors (see below), whose sum is σ = 153439281072. Its totient is φ = 145971571200.

The previous prime is 149699554639. The next prime is 149699554717. The reversal of 149699554699 is 996455996941.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149699554699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149699554639) 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, 2909902 + ... + 2960899.

It is an arithmetic number, because the mean of its divisors is an integer number (19179910134).

Almost surely, 2^149699554699 is an apocalyptic number.

149699554699 is a deficient number, since it is larger than the sum of its proper divisors (3739726373).

149699554699 is an equidigital number, since it uses as much as digits as its factorization.

149699554699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5871437.

The product of its digits is 850305600, while the sum is 76.

The spelling of 149699554699 in words is "one hundred forty-nine billion, six hundred ninety-nine million, five hundred fifty-four thousand, six hundred ninety-nine".