702197805949 has 4 divisors (see below), whose sum is σ = 702201369436. Its totient is φ = 702194242464.

The previous prime is 702197805943. The next prime is 702197805961. The reversal of 702197805949 is 949508791207.

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 603550303225 + 98647502724 = 776885^2 + 314082^2 .

It is a cyclic number.

It is not a de Polignac number, because 702197805949 - 2⁵ = 702197805917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (702197805943) 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, 1467714 + ... + 1886419.

It is an arithmetic number, because the mean of its divisors is an integer number (175550342359).

Almost surely, 2^702197805949 is an apocalyptic number.

It is an amenable number.

702197805949 is a deficient number, since it is larger than the sum of its proper divisors (3563487).

702197805949 is a wasteful number, since it uses less digits than its factorization.

702197805949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3563486.

The product of its (nonzero) digits is 11430720, while the sum is 61.

The spelling of 702197805949 in words is "seven hundred two billion, one hundred ninety-seven million, eight hundred five thousand, nine hundred forty-nine".