61203032463 has 4 divisors (see below), whose sum is σ = 81604043288. Its totient is φ = 40802021640.

The previous prime is 61203032393. The next prime is 61203032467. The reversal of 61203032463 is 36423030216.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 61203032463 - 2⁸ = 61203032207 is a prime.

It is a super-2 number, since 2×61203032463² (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 61203032463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61203032467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10200505408 + ... + 10200505413.

It is an arithmetic number, because the mean of its divisors is an integer number (20401010822).

Almost surely, 2^61203032463 is an apocalyptic number.

61203032463 is a deficient number, since it is larger than the sum of its proper divisors (20401010825).

61203032463 is a wasteful number, since it uses less digits than its factorization.

61203032463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20401010824.

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 61203032463 its reverse (36423030216), we get a palindrome (97626062679).

The spelling of 61203032463 in words is "sixty-one billion, two hundred three million, thirty-two thousand, four hundred sixty-three".