1465214421 has 16 divisors (see below), whose sum is σ = 2132582400. Its totient is φ = 887441520.

The previous prime is 1465214419. The next prime is 1465214423. The reversal of 1465214421 is 1244125641.

It is an interprime number because it is at equal distance from previous prime (1465214419) and next prime (1465214423).

It is not a de Polignac number, because 1465214421 - 2¹ = 1465214419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1465214423) 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, 41530 + ... + 68228.

It is an arithmetic number, because the mean of its divisors is an integer number (133286400).

Almost surely, 2^1465214421 is an apocalyptic number.

1465214421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1465214421 is a deficient number, since it is larger than the sum of its proper divisors (667367979).

1465214421 is a wasteful number, since it uses less digits than its factorization.

1465214421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28376.

The product of its digits is 7680, while the sum is 30.

The square root of 1465214421 is about 38278.1193503547. The cubic root of 1465214421 is about 1135.7961567746.

The spelling of 1465214421 in words is "one billion, four hundred sixty-five million, two hundred fourteen thousand, four hundred twenty-one".