61290829071 has 24 divisors (see below), whose sum is σ = 95173528320. Its totient is φ = 37886375376.

The previous prime is 61290829069. The next prime is 61290829073. The reversal of 61290829071 is 17092809216.

61290829071 is a `hidden beast` number, since 6 + 1 + 290 + 8 + 290 + 71 = 666.

It is an interprime number because it is at equal distance from previous prime (61290829069) and next prime (61290829073).

It is not a de Polignac number, because 61290829071 - 2¹ = 61290829069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61290829073) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3805005 + ... + 3821078.

It is an arithmetic number, because the mean of its divisors is an integer number (3965563680).

Almost surely, 2^61290829071 is an apocalyptic number.

61290829071 is a deficient number, since it is larger than the sum of its proper divisors (33882699249).

61290829071 is a wasteful number, since it uses less digits than its factorization.

61290829071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7626155 (or 7626152 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The spelling of 61290829071 in words is "sixty-one billion, two hundred ninety million, eight hundred twenty-nine thousand, seventy-one".