61246497493 has 16 divisors (see below), whose sum is σ = 63002364480. Its totient is φ = 59506183296.

The previous prime is 61246497479. The next prime is 61246497517. The reversal of 61246497493 is 39479464216.

It is a cyclic number.

It is not a de Polignac number, because 61246497493 - 2⁵ = 61246497461 is a prime.

It is a super-2 number, since 2×61246497493² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61246497293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15586353 + ... + 15590281.

It is an arithmetic number, because the mean of its divisors is an integer number (3937647780).

Almost surely, 2^61246497493 is an apocalyptic number.

It is an amenable number.

61246497493 is a deficient number, since it is larger than the sum of its proper divisors (1755866987).

61246497493 is a wasteful number, since it uses less digits than its factorization.

61246497493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5796.

The product of its digits is 7838208, while the sum is 55.

The spelling of 61246497493 in words is "sixty-one billion, two hundred forty-six million, four hundred ninety-seven thousand, four hundred ninety-three".