61492245349 has 8 divisors (see below), whose sum is σ = 63173629568. Its totient is φ = 59811883920.

The previous prime is 61492245307. The next prime is 61492245361. The reversal of 61492245349 is 94354229416.

61492245349 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 61492245349 - 2¹¹ = 61492243301 is a prime.

It is a super-2 number, since 2×61492245349² (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 (61492245149) 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, 133017 + ... + 375070.

It is an arithmetic number, because the mean of its divisors is an integer number (7896703696).

Almost surely, 2^61492245349 is an apocalyptic number.

It is an amenable number.

61492245349 is a deficient number, since it is larger than the sum of its proper divisors (1681384219).

61492245349 is a wasteful number, since it uses less digits than its factorization.

61492245349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511395.

The product of its digits is 1866240, while the sum is 49.

The spelling of 61492245349 in words is "sixty-one billion, four hundred ninety-two million, two hundred forty-five thousand, three hundred forty-nine".