64621402153 has 16 divisors (see below), whose sum is σ = 80637050880. Its totient is φ = 50310522000.

The previous prime is 64621402127. The next prime is 64621402187. The reversal of 64621402153 is 35120412646.

64621402153 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 64621402153 - 2¹³ = 64621393961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64621408153) 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, 275943 + ... + 453196.

It is an arithmetic number, because the mean of its divisors is an integer number (5039815680).

Almost surely, 2^64621402153 is an apocalyptic number.

It is an amenable number.

64621402153 is a deficient number, since it is larger than the sum of its proper divisors (16015648727).

64621402153 is a wasteful number, since it uses less digits than its factorization.

64621402153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730308.

The product of its (nonzero) digits is 34560, while the sum is 34.

Adding to 64621402153 its reverse (35120412646), we get a palindrome (99741814799).

The spelling of 64621402153 in words is "sixty-four billion, six hundred twenty-one million, four hundred two thousand, one hundred fifty-three".