61703969465 has 16 divisors (see below), whose sum is σ = 78466283280. Its totient is φ = 46498529280.

The previous prime is 61703969387. The next prime is 61703969513. The reversal of 61703969465 is 56496930716.

It can be written as a sum of positive squares in 8 ways, for example, as 3396649 + 61700572816 = 1843^2 + 248396^2 .

It is not a de Polignac number, because 61703969465 - 2⁸ = 61703969209 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 61703969465.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5183624 + ... + 5195513.

It is an arithmetic number, because the mean of its divisors is an integer number (4904142705).

Almost surely, 2^61703969465 is an apocalyptic number.

It is an amenable number.

61703969465 is a deficient number, since it is larger than the sum of its proper divisors (16762313815).

61703969465 is a wasteful number, since it uses less digits than its factorization.

61703969465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10379212.

The product of its (nonzero) digits is 7348320, while the sum is 56.

The spelling of 61703969465 in words is "sixty-one billion, seven hundred three million, nine hundred sixty-nine thousand, four hundred sixty-five".