699411961 has 4 divisors (see below), whose sum is σ = 701393652. Its totient is φ = 697430272.

The previous prime is 699411941. The next prime is 699411997. The reversal of 699411961 is 169114996.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 225000000 + 474411961 = 15000^2 + 21781^2 .

It is a cyclic number.

It is not a de Polignac number, because 699411961 - 2²¹ = 697314809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (699411941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 990316 + ... + 991021.

It is an arithmetic number, because the mean of its divisors is an integer number (175348413).

Almost surely, 2^699411961 is an apocalyptic number.

It is an amenable number.

699411961 is a deficient number, since it is larger than the sum of its proper divisors (1981691).

699411961 is a wasteful number, since it uses less digits than its factorization.

699411961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1981690.

The product of its digits is 104976, while the sum is 46.

The square root of 699411961 is about 26446.3978832657. The cubic root of 699411961 is about 887.6553024790.

The spelling of 699411961 in words is "six hundred ninety-nine million, four hundred eleven thousand, nine hundred sixty-one".