61268085453 has 16 divisors (see below), whose sum is σ = 82305201600. Its totient is φ = 40539058560.

The previous prime is 61268085449. The next prime is 61268085457. The reversal of 61268085453 is 35458086216.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (61268085449) and next prime (61268085457).

It is not a de Polignac number, because 61268085453 - 2² = 61268085449 is a prime.

It is a super-2 number, since 2×61268085453² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61268085457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170283 + ... + 389271.

It is an arithmetic number, because the mean of its divisors is an integer number (5144075100).

Almost surely, 2^61268085453 is an apocalyptic number.

It is an amenable number.

61268085453 is a deficient number, since it is larger than the sum of its proper divisors (21037116147).

61268085453 is a wasteful number, since it uses less digits than its factorization.

61268085453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219692.

The product of its (nonzero) digits is 1382400, while the sum is 48.

The spelling of 61268085453 in words is "sixty-one billion, two hundred sixty-eight million, eighty-five thousand, four hundred fifty-three".