61464341452 has 18 divisors (see below), whose sum is σ = 111144293484. Its totient is φ = 29740808520.

The previous prime is 61464341447. The next prime is 61464341453. The reversal of 61464341452 is 25414346416.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (61464341453) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7990998 + ... + 7998685.

Almost surely, 2^61464341452 is an apocalyptic number.

61464341452 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

61464341452 is a deficient number, since it is larger than the sum of its proper divisors (49679952032).

61464341452 is a wasteful number, since it uses less digits than its factorization.

61464341452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15989749 (or 15989716 counting only the distinct ones).

The product of its digits is 276480, while the sum is 40.

Adding to 61464341452 its reverse (25414346416), we get a palindrome (86878687868).

The spelling of 61464341452 in words is "sixty-one billion, four hundred sixty-four million, three hundred forty-one thousand, four hundred fifty-two".