61410746137 has 8 divisors (see below), whose sum is σ = 66189009096. Its totient is φ = 56640248832.

The previous prime is 61410746129. The next prime is 61410746147. The reversal of 61410746137 is 73164701416.

It can be written as a sum of positive squares in 4 ways, for example, as 17799961 + 61392946176 = 4219^2 + 247776^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61410746137 - 2³ = 61410746129 is a prime.

It is a super-2 number, since 2×61410746137² (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 61410746137.

It is not an unprimeable number, because it can be changed into a prime (61410746147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1924978 + ... + 1956619.

It is an arithmetic number, because the mean of its divisors is an integer number (8273626137).

Almost surely, 2^61410746137 is an apocalyptic number.

It is an amenable number.

61410746137 is a deficient number, since it is larger than the sum of its proper divisors (4778262959).

61410746137 is a wasteful number, since it uses less digits than its factorization.

61410746137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3882827.

The product of its (nonzero) digits is 84672, while the sum is 40.

The spelling of 61410746137 in words is "sixty-one billion, four hundred ten million, seven hundred forty-six thousand, one hundred thirty-seven".