2451643021102 has 16 divisors (see below), whose sum is σ = 4066735375152. Its totient is φ = 1099117667520.

The previous prime is 2451643021099. The next prime is 2451643021117. The reversal of 2451643021102 is 2011203461542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 763274553 + ... + 763277764.

It is an arithmetic number, because the mean of its divisors is an integer number (254170960947).

Almost surely, 2^{2451643021102} is an apocalyptic number.

2451643021102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2451643021102 is a deficient number, since it is larger than the sum of its proper divisors (1615092354050).

2451643021102 is a wasteful number, since it uses less digits than its factorization.

2451643021102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1526552403.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 2451643021102 its reverse (2011203461542), we get a palindrome (4462846482644).

The spelling of 2451643021102 in words is "two trillion, four hundred fifty-one billion, six hundred forty-three million, twenty-one thousand, one hundred two".