61290969197607 has 24 divisors (see below), whose sum is σ = 94705512160896. Its totient is φ = 38060613974016.

The previous prime is 61290969197603. The next prime is 61290969197617. The reversal of 61290969197607 is 70679196909216.

It is a happy number.

61290969197607 is a `hidden beast` number, since 6 + 1 + 2 + 9 + 0 + 9 + 6 + 9 + 1 + 9 + 7 + 607 = 666.

It is not a de Polignac number, because 61290969197607 - 2² = 61290969197603 is a prime.

It is a super-2 number, since 2×61290969197607² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61290969197603) 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, 2064905623 + ... + 2064935304.

It is an arithmetic number, because the mean of its divisors is an integer number (3946063006704).

Almost surely, 2^{61290969197607} is an apocalyptic number.

61290969197607 is a deficient number, since it is larger than the sum of its proper divisors (33414542963289).

61290969197607 is a wasteful number, since it uses less digits than its factorization.

61290969197607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4129841047 (or 4129841044 counting only the distinct ones).

The product of its (nonzero) digits is 138883248, while the sum is 72.

The spelling of 61290969197607 in words is "sixty-one trillion, two hundred ninety billion, nine hundred sixty-nine million, one hundred ninety-seven thousand, six hundred seven".