699406149 has 32 divisors (see below), whose sum is σ = 1055174400. Its totient is φ = 408849408.

The previous prime is 699406139. The next prime is 699406151. The reversal of 699406149 is 941604996.

It is not a de Polignac number, because 699406149 - 2⁸ = 699405893 is a prime.

It is a super-3 number, since 3×699406149³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 699406098 and 699406107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (699406109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 131037 + ... + 136269.

It is an arithmetic number, because the mean of its divisors is an integer number (32974200).

Almost surely, 2^699406149 is an apocalyptic number.

699406149 is a gapful number since it is divisible by the number (69) formed by its first and last digit.

It is an amenable number.

699406149 is a deficient number, since it is larger than the sum of its proper divisors (355768251).

699406149 is a wasteful number, since it uses less digits than its factorization.

699406149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5421.

The product of its (nonzero) digits is 419904, while the sum is 48.

The square root of 699406149 is about 26446.2880003981. The cubic root of 699406149 is about 887.6528437150.

The spelling of 699406149 in words is "six hundred ninety-nine million, four hundred six thousand, one hundred forty-nine".