1451341651 has 4 divisors (see below), whose sum is σ = 1453814712. Its totient is φ = 1448868592.

The previous prime is 1451341637. The next prime is 1451341667. The reversal of 1451341651 is 1561431541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1561431541 = 431 ⋅3622811.

It is a cyclic number.

It is not a de Polignac number, because 1451341651 - 2⁹ = 1451341139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1451341631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1235650 + ... + 1236823.

It is an arithmetic number, because the mean of its divisors is an integer number (363453678).

Almost surely, 2^1451341651 is an apocalyptic number.

1451341651 is a deficient number, since it is larger than the sum of its proper divisors (2473061).

1451341651 is an equidigital number, since it uses as much as digits as its factorization.

1451341651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2473060.

The product of its digits is 7200, while the sum is 31.

The square root of 1451341651 is about 38096.4781968097. The cubic root of 1451341651 is about 1132.2001801400.

The spelling of 1451341651 in words is "one billion, four hundred fifty-one million, three hundred forty-one thousand, six hundred fifty-one".