61069822469 has 4 divisors (see below), whose sum is σ = 61186591296. Its totient is φ = 60953053644.

The previous prime is 61069822459. The next prime is 61069822529. The reversal of 61069822469 is 96422896016.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 61069822469 - 2¹⁶ = 61069756933 is a prime.

It is a super-2 number, since 2×61069822469² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61069822469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61069822409) 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, 58383629 + ... + 58384674.

It is an arithmetic number, because the mean of its divisors is an integer number (15296647824).

Almost surely, 2^61069822469 is an apocalyptic number.

It is an amenable number.

61069822469 is a deficient number, since it is larger than the sum of its proper divisors (116768827).

61069822469 is a wasteful number, since it uses less digits than its factorization.

61069822469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116768826.

The product of its (nonzero) digits is 2239488, while the sum is 53.

The spelling of 61069822469 in words is "sixty-one billion, sixty-nine million, eight hundred twenty-two thousand, four hundred sixty-nine".